CVE-2022-20920 (GCVE-0-2022-20920)

Vulnerability from cvelistv5 – Published: 2022-10-10 20:43 – Updated: 2024-09-16 20:42
VLAI?
Title
Cisco IOS and IOS XE Software SSH Denial of Service Vulnerability
Summary
A vulnerability in the SSH implementation of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload. This vulnerability is due to improper handling of resources during an exceptional situation. An attacker could exploit this vulnerability by continuously connecting to an affected device and sending specific SSH requests. A successful exploit could allow the attacker to cause the affected device to reload.
CWE
Assigner
References
Impacted products
Vendor Product Version
Cisco Cisco IOS Affected: n/a
Create a notification for this product.
Show details on NVD website

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        }
      ],
      "exploits": [
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          "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."
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      "metrics": [
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          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
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        "discovery": "INTERNAL"
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      "title": "Cisco IOS and IOS XE Software SSH Denial of Service  Vulnerability"
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    "datePublished": "2022-10-10T20:43:15.882Z",
    "dateReserved": "2021-11-02T00:00:00.000Z",
    "dateUpdated": "2024-09-16T20:42:51.667Z",
    "state": "PUBLISHED"
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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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