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Fencer Intel
critical 9.0

CVE-2011-2543 in the critical feed json

Buffer overflow in the cuil component in Cisco Telepresence System Integrator C Series 4.x before TC4.2.0 allows remote authenticated users…

published 2011-09-23 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-2526

cvss
9.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
11.5%
EPSS 11.5% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

Buffer overflow in the cuil component in Cisco Telepresence System Integrator C Series 4.x before TC4.2.0 allows remote authenticated users to cause a denial of service (endpoint reboot or process crash) or possibly execute arbitrary code via a long location parameter to the getxml program, aka Bug ID CSCtq46496.

Timeline

  1. First public exploit (EDB-17871)
  2. Published

Exploit prediction

11.50% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-17871 Cisco TelePresence SOS-11-010 - Multiple Vulnerabilities webapps, 2011-09-19
  • securitytracker.com http://securitytracker.com/id?1026072 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.