CVE-2022-20816

Cisco Unified Communications Manager Arbitrary File Deletion Vulnerability

HIGH
8.1
CVSS Score
Published: August 10, 2022 at 08:11 AM UTC
Updated: June 17, 2026 at 04:25 AM UTC
1 product affected across 1 vendorUnified Communications Manager

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Severity
HIGH8.1
Exploit prediction
EPSS 1%
SSVC
No known exploit

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 delete arbitrary files from an affected system. This vulnerability exists because the affected software does not properly validate HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected software. A successful exploit could allow the attacker to delete arbitrary files from the affected system.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

11.5\(1\) ≤ v < 14su2
Affected range stops below 14su2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-22

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