CVE-2008-3801
CVE-2008-3801 is a high-severity vulnerability in Cisco Unified Callmanager with a CVSS 2.0 base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 2.0 base score 7.1)
- EPSS exploit prediction: 3% (87th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Cisco Unified Callmanager
- Published:
- Last modified:
Description
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 CSCsm46064, a different vulnerability than CVE-2008-3800 and CVE-2008-3802.
Frequently asked questions
- What is CVE-2008-3801?
- 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 CSCsm46064, a different vulnerability than CVE-2008-3800 and CVE-2008-3802.
- How severe is CVE-2008-3801?
- CVE-2008-3801 has a CVSS 2.0 base score of 7.1, rated high severity.
- Is CVE-2008-3801 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2008-3801?
- CVE-2008-3801 primarily affects Cisco Unified Callmanager. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2008-3801?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2008-3801 published?
- CVE-2008-3801 was published on 2008-09-26 and last updated on 2026-06-16.
References
- http://secunia.com/advisories/31990
- http://secunia.com/advisories/32013
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a01562.shtml
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080a0156a.shtml
- http://www.securityfocus.com/bid/31367
- http://www.securitytracker.com/id?1020939
- http://www.securitytracker.com/id?1020942
- http://www.vupen.com/english/advisories/2008/2670
- http://www.vupen.com/english/advisories/2008/2671
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6047
Affected products (10)
- cpe:2.3:a:cisco:unified_callmanager:4.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_callmanager:4.2:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_callmanager:4.3:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_communications_manager:4.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_communications_manager:5.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_communications_manager:5.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_communications_manager:6.1:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.3:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*
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