Is CVE-2022-20862 in the CISA KEV catalog?

No. CVE-2022-20862 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-20862?

CVE-2022-20862 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2022-20862?

CVE-2022-20862 has an EPSS score of 1.37% (69th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-20862?

Upgrade unified communications manager to 14su2 or later.

CVE & CISA-KEV Catalog

CVE-2022-20862

MEDIUM

4.3

CVSS v3

NVD

Description

A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to read arbitrary files on the underlying operating system of an affected device. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request that contains directory traversal character sequences to an affected system. A successful exploit could allow the attacker to access sensitive files on the operating system.

CWE-23 CWE-22Path Traversal

How to fix

Remediation Available

unified communications managerNVD

Affected:>= 14.0, < 14su2Fixed in:14su2CVE-2022-20862derived from NVD

Affected:< 12.5(1)su6Fixed in:12.5(1)su6CVE-2022-20862derived 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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.37%probability of exploitation in 30 days

69thpercentile

Moderate risk: more likely to be exploited than 69% of all known CVEs.

References

Vendor Advisory1

tools.cisco.com

Related Vulnerabilities

Other CWE-23 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-27199	High	7.3	100%	KEV + Ransom	Fix
CVE-2020-5410	High	7.5	96%	KEV	Fix
CVE-2021-40870	Critical	9.8	92%	KEV	Fix
CVE-2025-64446	Critical	9.8	89%	KEV	Fix
CVE-2020-5405	Medium	6.5	69%	-	Fix
CVE-2025-55752	High	7.5	67%	-	Fix

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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.