Is CVE-2022-20675 in the CISA KEV catalog?

No. CVE-2022-20675 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-20675?

CVE-2022-20675 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2022-20675?

CVE-2022-20675 has an EPSS score of 1.24% (65th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-20675?

Upgrade asyncos to 14.0.2-012 or later.

CVE & CISA-KEV Catalog

CVE-2022-20675

MEDIUM

5.3

CVSS v3

NVD

Description

A vulnerability in the TCP/IP stack of Cisco Email Security Appliance (ESA), Cisco Web Security Appliance (WSA), and Cisco Secure Email and Web Manager, formerly Security Management Appliance, could allow an unauthenticated, remote attacker to crash the Simple Network Management Protocol (SNMP) service, resulting in a denial of service (DoS) condition. This vulnerability is due to an open port listener on TCP port 199. An attacker could exploit this vulnerability by connecting to TCP port 199. A successful exploit could allow the attacker to crash the SNMP service, resulting in a DoS condition.

CWE-248

How to fix

Remediation Available

asyncosNVD

Affected:>= 12.0, < 14.0.2-012Fixed in:14.0.2-012CVE-2022-20675derived 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

1.24%probability of exploitation in 30 days

65thpercentile

Moderate risk: more likely to be exploited than 65% of all known CVEs.

References

Vendor Advisory1

tools.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.