SB20251015155 - Multiple vulnerabilities in Cisco SIP Software

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Main Vulnerability Database SB20251015155

SB20251015155 - Multiple vulnerabilities in Cisco SIP Software

Published: October 15, 2025

Security Bulletin ID SB20251015155
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Stack-based buffer overflow (CVE-ID: CVE-2025-20350)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when handling HTTP packets A remote attacker can send specially crafted HTTP requests to he system, trigger a stack-based buffer overflow and perform a denial of service (DoS) attack.


2) Cross-site scripting (CVE-ID: CVE-2025-20351)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the Web UI. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Remediation

Install update from vendor's website.

References