CVE-2008-3800

highpriority · track · 29EPSS 0.035 · 89 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

3.51% (89th) EPSS

CVSS 7.1 · high

Is it mine?

11 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

Unspecified vulnerability in the Session Initiation Protocol (SIP) implementation in Cisco IOS 12.2 through 12.4 and Unified Communications Manager 4.1 through 6.1, when VoIP is configured, allows remote attackers to cause a denial of service (device or process reload) via unspecified valid SIP messages, aka Cisco Bug ID CSCsu38644, a different vulnerability than CVE-2008-3801 and CVE-2008-3802.

cvss

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

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6–7.1

v2.07.1highAV:N/AC:M/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 6.9

v2.06mediumAV:N/AC:M/Au:N/C:N/I:N/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USLLM-inferredCWE-400USLLM-inferred

affected products (11)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
cisco ios= 12.2nvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco ios= 12.3nvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco ios= 12.4nvdUScpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
cisco unified callmanager= 4.1nvdUScpe:2.3:a:cisco:unified_callmanager:*:*:*:*:*:*:*:*
cisco unified callmanager= 4.2nvdUScpe:2.3:a:cisco:unified_callmanager:*:*:*:*:*:*:*:*
cisco unified callmanager= 4.3nvdUScpe:2.3:a:cisco:unified_callmanager:*:*:*:*:*:*:*:*
cisco unified communications manager= 4.1nvdUScpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*
cisco unified communications manager= 5.0nvdUScpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*
cisco unified communications manager= 5.1nvdUScpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*
cisco unified communications manager= 6.1nvdUScpe: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 2008-09-26modified 2026-06-16

references (20)

External citations — patches, advisories, analysis.

scry

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