CVE-2008-0027

highpriority · attend · 60EPSS 0.571 · 99 %ileEUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

57.1% (99th) EPSS

CVSS 10 · high

Is it mine?

10 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:C/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimary

affected products (10)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
cisco unified callmanager= 4.0nvdUScpe:2.3:a:cisco:unified_callmanager:*:*:*:*:*:*:*:*
cisco unified callmanager= 4.1nvdUScpe:2.3:a:cisco:unified_callmanager:*:*:*:*:*:*:*:*
cisco unified callmanager= 4.1(3)sr4nvdUScpe:2.3:a:cisco:unified_callmanager:*:*:*:*:*:*:*:*
cisco unified callmanager= 4.1(3)sr5nvdUScpe:2.3:a:cisco:unified_callmanager:*:*:*:*:*:*:*:*
cisco unified callmanager= 4.1(3)sr5bnvdUScpe:2.3:a:cisco:unified_callmanager:*:*:*:*:*:*:*:*
cisco unified communications manager= 4.2nvdUScpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*
cisco unified communications manager= 4.2.3sr2nvdUScpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*
cisco unified communications manager= 4.2.3sr2bnvdUScpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*
cisco unified communications manager= 4.3nvdUScpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2008-01-17modified 2026-06-16

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+21038 more

references (18)

External citations — patches, advisories, analysis.

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