CVE-2023-20078: cisco cisco ip phones with multiplatform firmware Stack-based Buffer Overflow

Vulnerability summary

CVE-2023-20078 is a critical (CVSS 9.8) Stack-based Buffer Overflow vulnerability in cisco cisco ip phones with multiplatform firmware. EPSS estimates a 10.35% chance of exploitation in the next 30 days, higher than 95.6% of scored vulnerabilities.

Timeline

1. 03-03-2023
   PublishedVulnerability first disclosed.
2. 28-10-2024
   Last modifiedVulnerability information updated.

Description

Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory.

• CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.