CVE-2023-20095 (GCVE-0-2023-20095)
Vulnerability from cvelistv5 – Published: 2023-11-01 17:14 – Updated: 2024-08-02 08:57
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 a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of HTTPS requests. An attacker could exploit this vulnerability by sending crafted HTTPS requests to an affected system. A successful exploit could allow the attacker to cause resource exhaustion, resulting in a DoS condition.
Severity ?
8.6 (High)
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Cisco | Cisco Adaptive Security Appliance (ASA) Software |
Affected:
9.8.1
Affected: 9.8.1.5 Affected: 9.8.1.7 Affected: 9.8.2 Affected: 9.8.2.8 Affected: 9.8.2.14 Affected: 9.8.2.15 Affected: 9.8.2.17 Affected: 9.8.2.20 Affected: 9.8.2.24 Affected: 9.8.2.26 Affected: 9.8.2.28 Affected: 9.8.2.33 Affected: 9.8.2.35 Affected: 9.8.2.38 Affected: 9.8.3.8 Affected: 9.8.3.11 Affected: 9.8.3.14 Affected: 9.8.3.16 Affected: 9.8.3.18 Affected: 9.8.3.21 Affected: 9.8.3 Affected: 9.8.3.26 Affected: 9.8.3.29 Affected: 9.8.4 Affected: 9.8.4.3 Affected: 9.8.4.7 Affected: 9.8.4.8 Affected: 9.8.4.10 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: 9.12.1 Affected: 9.12.1.2 Affected: 9.12.1.3 Affected: 9.12.2 Affected: 9.12.2.4 Affected: 9.12.2.5 Affected: 9.12.2.9 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: 9.12.2.1 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: 9.14.1 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: 9.15.1 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: 9.17.1 Affected: 9.17.1.7 Affected: 9.17.1.9 Affected: 9.18.1 |
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{
"containers": {
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{
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{
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{
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"version": "9.8.4.10"
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{
"status": "affected",
"version": "9.8.4.12"
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{
"status": "affected",
"version": "9.8.4.15"
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{
"status": "affected",
"version": "9.8.4.17"
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"status": "affected",
"version": "9.8.4.25"
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"status": "affected",
"version": "9.8.4.32"
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"status": "affected",
"version": "9.8.4.33"
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{
"status": "affected",
"version": "9.8.4.34"
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{
"status": "affected",
"version": "9.8.4.35"
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{
"status": "affected",
"version": "9.8.4.39"
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{
"status": "affected",
"version": "9.8.4.40"
},
{
"status": "affected",
"version": "9.8.4.41"
},
{
"status": "affected",
"version": "9.8.4.43"
},
{
"status": "affected",
"version": "9.8.4.44"
},
{
"status": "affected",
"version": "9.8.4.45"
},
{
"status": "affected",
"version": "9.12.1"
},
{
"status": "affected",
"version": "9.12.1.2"
},
{
"status": "affected",
"version": "9.12.1.3"
},
{
"status": "affected",
"version": "9.12.2"
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{
"status": "affected",
"version": "9.12.2.4"
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{
"status": "affected",
"version": "9.12.2.5"
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{
"status": "affected",
"version": "9.12.2.9"
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{
"status": "affected",
"version": "9.12.3"
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{
"status": "affected",
"version": "9.12.3.2"
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{
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"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"
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{
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"version": "9.12.3.9"
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"version": "9.12.4.4"
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{
"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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{
"status": "affected",
"version": "9.12.4.18"
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{
"status": "affected",
"version": "9.12.4.24"
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{
"status": "affected",
"version": "9.12.4.26"
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{
"status": "affected",
"version": "9.12.4.29"
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{
"status": "affected",
"version": "9.12.4.30"
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{
"status": "affected",
"version": "9.12.4.35"
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{
"status": "affected",
"version": "9.12.4.37"
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{
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"version": "9.12.4.38"
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{
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"version": "9.12.4.39"
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{
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"version": "9.12.4.40"
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{
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"version": "9.12.4.41"
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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": "9.14.2"
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{
"status": "affected",
"version": "9.14.2.4"
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{
"status": "affected",
"version": "9.14.2.8"
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"version": "9.14.2.13"
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{
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{
"status": "affected",
"version": "9.14.3"
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{
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"version": "9.14.3.1"
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{
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{
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{
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"version": "9.14.3.18"
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{
"status": "affected",
"version": "9.14.3.15"
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{
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"version": "9.14.4"
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{
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"version": "9.14.4.6"
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{
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"version": "9.14.4.7"
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{
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"version": "9.15.1"
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{
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"version": "9.15.1.7"
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{
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"version": "9.15.1.10"
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{
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"version": "9.15.1.15"
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{
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"version": "9.15.1.16"
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{
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"version": "9.15.1.17"
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{
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"version": "9.15.1.1"
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{
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"version": "9.15.1.21"
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{
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"version": "9.16.1"
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{
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"version": "9.16.1.28"
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{
"status": "affected",
"version": "9.16.2"
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{
"status": "affected",
"version": "9.16.2.3"
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{
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"version": "9.16.2.7"
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{
"product": "Cisco Firepower Threat Defense Software",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "6.2.3"
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{
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"version": "6.2.3.1"
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{
"status": "affected",
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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": "6.6.0.1"
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{
"status": "affected",
"version": "6.6.1"
},
{
"status": "affected",
"version": "6.6.3"
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{
"status": "affected",
"version": "6.6.4"
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{
"status": "affected",
"version": "6.6.5"
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{
"status": "affected",
"version": "6.6.5.1"
},
{
"status": "affected",
"version": "6.6.5.2"
},
{
"status": "affected",
"version": "6.4.0"
},
{
"status": "affected",
"version": "6.4.0.1"
},
{
"status": "affected",
"version": "6.4.0.3"
},
{
"status": "affected",
"version": "6.4.0.2"
},
{
"status": "affected",
"version": "6.4.0.4"
},
{
"status": "affected",
"version": "6.4.0.5"
},
{
"status": "affected",
"version": "6.4.0.6"
},
{
"status": "affected",
"version": "6.4.0.7"
},
{
"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": "6.7.0"
},
{
"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": "7.1.0"
},
{
"status": "affected",
"version": "7.1.0.1"
},
{
"status": "affected",
"version": "7.1.0.2"
},
{
"status": "affected",
"version": "7.2.0"
},
{
"status": "affected",
"version": "7.2.0.1"
}
]
}
],
"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 a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of HTTPS requests. An attacker could exploit this vulnerability by sending crafted HTTPS requests to an affected system. A successful exploit could allow the attacker to cause resource exhaustion, resulting in a DoS condition."
}
],
"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."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"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"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-772",
"description": "Missing Release of Resource after Effective Lifetime",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-01-25T16:57:43.469Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-asa-webvpn-dos-3GhZQBAS",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-webvpn-dos-3GhZQBAS"
}
],
"source": {
"advisory": "cisco-sa-asa-webvpn-dos-3GhZQBAS",
"defects": [
"CSCwb63827"
],
"discovery": "INTERNAL"
}
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2023-20095",
"datePublished": "2023-11-01T17:14:29.319Z",
"dateReserved": "2022-10-27T18:47:50.337Z",
"dateUpdated": "2024-08-02T08:57:36.059Z",
"state": "PUBLISHED"
},
"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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