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Fencer Vulns
critical 10.0

CVE-2008-0027 in the critical feed json

Heap-based buffer overflow in the Certificate Trust List (CTL) Provider service (CTLProvider.exe) in Cisco Unified Communications Manager (…

published 2008-01-17 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-0040

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
57.1%
EPSS 57.1% chance of exploitation in 30 days, percentile 99%
public exploits
0
none known

Summary

Heap-based buffer overflow in the Certificate Trust List (CTL) Provider service (CTLProvider.exe) in Cisco Unified Communications Manager (CUCM) 4.2 before 4.2(3)SR3 and 4.3 before 4.3(1)SR1, and CallManager 4.0 and 4.1 before 4.1(3)SR5c, allows remote attackers to cause a denial of service or execute arbitrary code via a long request.

Patch / fix

Exploit prediction

57.11% chance of exploitation in the next 30 days, higher than 99% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

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

References

Sources

Fencer Vulns 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.