CVE-2024-20495 (GCVE-0-2024-20495)
Vulnerability from cvelistv5 – Published: 2024-10-23 17:53 – Updated: 2024-10-23 19:12
VLAI?
Summary
A vulnerability in the Remote Access VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition on an affected device.
This vulnerability is due to improper validation of client key data after the TLS session is established. An attacker could exploit this vulnerability by sending a crafted key value to an affected system over the secure TLS session. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
Severity ?
8.6 (High)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Cisco | Cisco Adaptive Security Appliance (ASA) Software |
Affected:
9.8.4.12
Affected: 9.8.4.15 Affected: 9.8.4.17 Affected: 9.8.4.25 Affected: 9.8.4.20 Affected: 9.8.4.22 Affected: 9.8.4.26 Affected: 9.8.4.29 Affected: 9.8.4.32 Affected: 9.8.4.33 Affected: 9.8.4.34 Affected: 9.8.4.35 Affected: 9.8.4.39 Affected: 9.8.4.40 Affected: 9.8.4.41 Affected: 9.8.4.43 Affected: 9.8.4.44 Affected: 9.8.4.45 Affected: 9.8.4.46 Affected: 9.8.4.48 Affected: 9.12.3 Affected: 9.12.3.2 Affected: 9.12.3.7 Affected: 9.12.4 Affected: 9.12.3.12 Affected: 9.12.3.9 Affected: 9.12.4.2 Affected: 9.12.4.4 Affected: 9.12.4.7 Affected: 9.12.4.10 Affected: 9.12.4.13 Affected: 9.12.4.8 Affected: 9.12.4.18 Affected: 9.12.4.24 Affected: 9.12.4.26 Affected: 9.12.4.29 Affected: 9.12.4.30 Affected: 9.12.4.35 Affected: 9.12.4.37 Affected: 9.12.4.38 Affected: 9.12.4.39 Affected: 9.12.4.40 Affected: 9.12.4.41 Affected: 9.12.4.47 Affected: 9.12.4.48 Affected: 9.12.4.50 Affected: 9.12.4.52 Affected: 9.12.4.54 Affected: 9.12.4.55 Affected: 9.12.4.56 Affected: 9.12.4.58 Affected: 9.12.4.62 Affected: 9.12.4.65 Affected: 9.12.4.67 Affected: 9.14.1 Affected: 9.14.1.10 Affected: 9.14.1.6 Affected: 9.14.1.15 Affected: 9.14.1.19 Affected: 9.14.1.30 Affected: 9.14.2 Affected: 9.14.2.4 Affected: 9.14.2.8 Affected: 9.14.2.13 Affected: 9.14.2.15 Affected: 9.14.3 Affected: 9.14.3.1 Affected: 9.14.3.9 Affected: 9.14.3.11 Affected: 9.14.3.13 Affected: 9.14.3.18 Affected: 9.14.3.15 Affected: 9.14.4 Affected: 9.14.4.6 Affected: 9.14.4.7 Affected: 9.14.4.12 Affected: 9.14.4.13 Affected: 9.14.4.14 Affected: 9.14.4.15 Affected: 9.14.4.17 Affected: 9.14.4.22 Affected: 9.14.4.23 Affected: 9.14.4.24 Affected: 9.15.1 Affected: 9.15.1.7 Affected: 9.15.1.10 Affected: 9.15.1.15 Affected: 9.15.1.16 Affected: 9.15.1.17 Affected: 9.15.1.1 Affected: 9.15.1.21 Affected: 9.16.1 Affected: 9.16.1.28 Affected: 9.16.2 Affected: 9.16.2.3 Affected: 9.16.2.7 Affected: 9.16.2.11 Affected: 9.16.2.13 Affected: 9.16.2.14 Affected: 9.16.3 Affected: 9.16.3.3 Affected: 9.16.3.14 Affected: 9.16.3.15 Affected: 9.16.3.19 Affected: 9.16.3.23 Affected: 9.16.4 Affected: 9.16.4.9 Affected: 9.16.4.14 Affected: 9.16.4.18 Affected: 9.16.4.19 Affected: 9.16.4.27 Affected: 9.16.4.38 Affected: 9.16.4.39 Affected: 9.16.4.42 Affected: 9.16.4.48 Affected: 9.16.4.55 Affected: 9.16.4.57 Affected: 9.16.4.61 Affected: 9.16.4.62 Affected: 9.17.1 Affected: 9.17.1.7 Affected: 9.17.1.9 Affected: 9.17.1.10 Affected: 9.17.1.11 Affected: 9.17.1.13 Affected: 9.17.1.15 Affected: 9.17.1.20 Affected: 9.17.1.30 Affected: 9.17.1.33 Affected: 9.17.1.39 |
|||||||
|
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{
"containers": {
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{
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{
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{
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{
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{
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{
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{
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"version": "9.14.4.13"
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{
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{
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],
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"vendor": "cisco",
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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"status": "affected",
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"status": "affected",
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},
{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
"version": "7.1.0"
},
{
"status": "affected",
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{
"status": "affected",
"version": "7.1.0.2"
},
{
"status": "affected",
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]
}
],
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-20495",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-10-23T18:42:04.962920Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-10-23T19:12:27.560Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Cisco Adaptive Security Appliance (ASA) Software",
"vendor": "Cisco",
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{
"status": "affected",
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{
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{
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{
"status": "affected",
"version": "9.12.3.7"
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{
"status": "affected",
"version": "9.12.4"
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{
"status": "affected",
"version": "9.12.3.12"
},
{
"status": "affected",
"version": "9.12.3.9"
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{
"status": "affected",
"version": "9.12.4.2"
},
{
"status": "affected",
"version": "9.12.4.4"
},
{
"status": "affected",
"version": "9.12.4.7"
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{
"status": "affected",
"version": "9.12.4.10"
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{
"status": "affected",
"version": "9.12.4.13"
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{
"status": "affected",
"version": "9.12.4.8"
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{
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"version": "9.12.4.26"
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{
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{
"status": "affected",
"version": "9.12.4.39"
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{
"status": "affected",
"version": "9.12.4.40"
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{
"status": "affected",
"version": "9.12.4.41"
},
{
"status": "affected",
"version": "9.12.4.47"
},
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{
"lang": "en",
"value": "A vulnerability in the Remote Access VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition on an affected device.\r\n\r This vulnerability is due to improper validation of client key data after the TLS session is established. An attacker could exploit this vulnerability by sending a crafted key value to an affected system over the secure TLS session. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition."
}
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"value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
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"name": "cisco-sa-asa-vpn-cZf8gT",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-vpn-cZf8gT"
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"dateReserved": "2023-11-08T15:08:07.686Z",
"dateUpdated": "2024-10-23T19:12:27.560Z",
"state": "PUBLISHED"
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\"7.0.4\"}, {\"status\": \"affected\", \"version\": \"7.0.5\"}, {\"status\": \"affected\", \"version\": \"7.0.6\"}, {\"status\": \"affected\", \"version\": \"7.0.6.1\"}, {\"status\": \"affected\", \"version\": \"7.0.6.2\"}, {\"status\": \"affected\", \"version\": \"7.1.0\"}, {\"status\": \"affected\", \"version\": \"7.1.0.1\"}, {\"status\": \"affected\", \"version\": \"7.1.0.2\"}, {\"status\": \"affected\", \"version\": \"7.1.0.3\"}], \"defaultStatus\": \"unknown\"}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-23T19:03:15.804Z\"}}], \"cna\": {\"source\": {\"defects\": [\"CSCwk53369\"], \"advisory\": \"cisco-sa-asa-vpn-cZf8gT\", \"discovery\": \"INTERNAL\"}, \"metrics\": [{\"format\": \"cvssV3_1\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 8.6, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"Cisco\", \"product\": \"Cisco Adaptive Security Appliance (ASA) Software\", \"versions\": [{\"status\": \"affected\", \"version\": \"9.8.4.12\"}, {\"status\": \"affected\", \"version\": \"9.8.4.15\"}, {\"status\": \"affected\", \"version\": \"9.8.4.17\"}, {\"status\": \"affected\", \"version\": \"9.8.4.25\"}, {\"status\": \"affected\", \"version\": \"9.8.4.20\"}, {\"status\": \"affected\", \"version\": \"9.8.4.22\"}, {\"status\": \"affected\", \"version\": \"9.8.4.26\"}, {\"status\": \"affected\", \"version\": \"9.8.4.29\"}, {\"status\": \"affected\", \"version\": \"9.8.4.32\"}, {\"status\": \"affected\", \"version\": \"9.8.4.33\"}, {\"status\": \"affected\", \"version\": \"9.8.4.34\"}, {\"status\": 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\"affected\", \"version\": \"9.12.4.54\"}, {\"status\": \"affected\", \"version\": \"9.12.4.55\"}, {\"status\": \"affected\", \"version\": \"9.12.4.56\"}, {\"status\": \"affected\", \"version\": \"9.12.4.58\"}, {\"status\": \"affected\", \"version\": \"9.12.4.62\"}, {\"status\": \"affected\", \"version\": \"9.12.4.65\"}, {\"status\": \"affected\", \"version\": \"9.12.4.67\"}, {\"status\": \"affected\", \"version\": \"9.14.1\"}, {\"status\": \"affected\", \"version\": \"9.14.1.10\"}, {\"status\": \"affected\", \"version\": \"9.14.1.6\"}, {\"status\": \"affected\", \"version\": \"9.14.1.15\"}, {\"status\": \"affected\", \"version\": \"9.14.1.19\"}, {\"status\": \"affected\", \"version\": \"9.14.1.30\"}, {\"status\": \"affected\", \"version\": \"9.14.2\"}, {\"status\": \"affected\", \"version\": \"9.14.2.4\"}, {\"status\": \"affected\", \"version\": \"9.14.2.8\"}, {\"status\": \"affected\", \"version\": \"9.14.2.13\"}, {\"status\": \"affected\", \"version\": \"9.14.2.15\"}, {\"status\": 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\"affected\", \"version\": \"6.6.1\"}, {\"status\": \"affected\", \"version\": \"6.6.3\"}, {\"status\": \"affected\", \"version\": \"6.6.4\"}, {\"status\": \"affected\", \"version\": \"6.6.5\"}, {\"status\": \"affected\", \"version\": \"6.6.5.1\"}, {\"status\": \"affected\", \"version\": \"6.6.5.2\"}, {\"status\": \"affected\", \"version\": \"6.6.7\"}, {\"status\": \"affected\", \"version\": \"6.6.7.1\"}, {\"status\": \"affected\", \"version\": \"6.6.7.2\"}, {\"status\": \"affected\", \"version\": \"6.4.0.8\"}, {\"status\": \"affected\", \"version\": \"6.4.0.9\"}, {\"status\": \"affected\", \"version\": \"6.4.0.10\"}, {\"status\": \"affected\", \"version\": \"6.4.0.11\"}, {\"status\": \"affected\", \"version\": \"6.4.0.12\"}, {\"status\": \"affected\", \"version\": \"6.4.0.13\"}, {\"status\": \"affected\", \"version\": \"6.4.0.14\"}, {\"status\": \"affected\", \"version\": \"6.4.0.15\"}, {\"status\": \"affected\", \"version\": \"6.4.0.16\"}, {\"status\": \"affected\", \"version\": \"6.4.0.17\"}, {\"status\": \"affected\", \"version\": \"6.4.0.18\"}, {\"status\": \"affected\", \"version\": \"6.7.0\"}, {\"status\": \"affected\", \"version\": \"6.7.0.1\"}, {\"status\": \"affected\", \"version\": \"6.7.0.2\"}, {\"status\": \"affected\", \"version\": \"6.7.0.3\"}, {\"status\": \"affected\", \"version\": \"7.0.0\"}, {\"status\": \"affected\", \"version\": \"7.0.0.1\"}, {\"status\": \"affected\", \"version\": \"7.0.1\"}, {\"status\": \"affected\", \"version\": \"7.0.1.1\"}, {\"status\": \"affected\", \"version\": \"7.0.2\"}, {\"status\": \"affected\", \"version\": \"7.0.2.1\"}, {\"status\": \"affected\", \"version\": \"7.0.3\"}, {\"status\": \"affected\", \"version\": \"7.0.4\"}, {\"status\": \"affected\", \"version\": \"7.0.5\"}, {\"status\": \"affected\", \"version\": \"7.0.6\"}, {\"status\": \"affected\", \"version\": \"7.0.6.1\"}, {\"status\": \"affected\", \"version\": \"7.0.6.2\"}, {\"status\": \"affected\", \"version\": \"7.1.0\"}, {\"status\": \"affected\", \"version\": \"7.1.0.1\"}, {\"status\": \"affected\", \"version\": \"7.1.0.2\"}, {\"status\": \"affected\", \"version\": \"7.1.0.3\"}]}], \"exploits\": [{\"lang\": \"en\", \"value\": \"The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.\"}], \"references\": [{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-vpn-cZf8gT\", \"name\": \"cisco-sa-asa-vpn-cZf8gT\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability in the Remote Access VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition on an affected device.\\r\\n\\r This vulnerability is due to improper validation of client key data after the TLS session is established. An attacker could exploit this vulnerability by sending a crafted key value to an affected system over the secure TLS session. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"cwe\", \"cweId\": \"CWE-20\", \"description\": \"Improper Input Validation\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2024-10-23T17:53:14.516Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2024-20495\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-10-23T19:12:27.560Z\", \"dateReserved\": \"2023-11-08T15:08:07.686Z\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2024-10-23T17:53:14.516Z\", \"assignerShortName\": \"cisco\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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