CVE-2022-20816Network attack vector

Authenticated file deletion via unvalidated HTTP paths

Published Aug 10, 2022 · Updated Nov 1, 2024

Path traversal in Cisco Unified Communications Manager allows remote authenticated users to delete arbitrary files through its web interface. The interface accepts a crafted HTTP request whose file path is not adequately validated before the requested deletion is performed. A valid account and network access to the default-enabled management interface are required; the reported impact is file deletion only.

CVSS severity6.5
Medium
EPSS probability1.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in Cisco Unified Communications Manager allows remote authenticated users to delete arbitrary files through its web interface. The interface accepts a crafted HTTP request whose file path is not adequately validated before the requested deletion is performed. A valid account and network access to the default-enabled management interface are required; the reported impact is file deletion only.

The record

CVE
CVE-2022-20816
Published
Aug 10, 2022
Updated
Nov 1, 2024
Vendor
ClamAV
Product
Cisco Unified Communications Manager
Classifications
CWE-22, T1070.004
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 10, 2022CVE publishedPublication date reported by the CVE source.
  2. Nov 1, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=n/a

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

ClamAV · Cisco Unified Communications Managerversion=n/a

Published CVSS scores

8.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
6.5Cisco Systems, Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:X/RL:X/RC:X

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
T1070.004File Deletion

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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