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Case File

CVE-2011-2577

HIGH · CVSS 7.8 EPSS 12.72% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2011-08-31 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. It affects Cisco. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 12.7% probability of exploitation in the next 30 days. It may be remotely exploitable. It may lead to a denial-of-service condition.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2011-2577
Severity
HIGH
CVSS
7.8
EPSS
12.72%
Cisco

Original NVD Description

Unspecified vulnerability in Cisco TelePresence C Series Endpoints, E/EX Personal Video units, and MXP Series Codecs, when using software versions before TC 4.0.0 or F9.1, allows remote attackers to cause a denial of service (crash) via a crafted SIP packet to port 5060 or 5061, aka Bug ID CSCtq46500.