Is CVE-2023-20262 in the CISA KEV catalog?

No. CVE-2023-20262 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-20262?

CVE-2023-20262 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2023-20262?

CVE-2023-20262 has an EPSS score of 0.74% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-20262?

Upgrade catalyst sd-wan manager to 20.9.3 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-20262

MEDIUM

5.3

CVSS v3

NVD

Description

A vulnerability in the SSH service of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to cause a process crash, resulting in a DoS condition for SSH access only. This vulnerability does not prevent the system from continuing to function, and web UI access is not affected. This vulnerability is due to insufficient resource management when an affected system is in an error condition. An attacker could exploit this vulnerability by sending malicious traffic to the affected system. A successful exploit could allow the attacker to cause the SSH process to crash and restart, resulting in a DoS condition for the SSH service.

CWE-399Resource Management Errors

How to fix

Remediation Available

catalyst sd-wan managerNVD

Affected:>= 20.4, < 20.9.3Fixed in:20.9.3CVE-2023-20262derived from NVD

sd-wan vmanageNVD

Affected:>= 20.10, < 20.11.1Fixed in:20.11.1CVE-2023-20262derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploit Intelligence

0.74%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Vendor Advisory1

sec.cloudapps.cisco.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.