CVE-2007-5537
HIGH · CVSS 7.8EPSS 2.0%EU EUVD
Cisco Unified Communications Manager (CUCM, formerly CallManager) 5.1 before 5.1(2), and Unified CallManager 5.0, allow remote attackers to cause a denial of service (kernel panic) via a flood of SIP INVITE messages to UDP port 5060, which triggers resource exhaustion, aka CSCsi75822.
Key facts
- CVSS score
- 7.8 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C- Weakness (CWE)
- CWE-399
- EPSS score
- 2.0% (81th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2007-5512)
- Published
- October 18, 2007
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2007-5512 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- cisco / unified callmanager
- cisco / unified communications manager
References
- http://osvdb.org/37941
- http://secunia.com/advisories/27296
- http://www.cisco.com/en/US/products/products_security_advisory09186a00808dda34.shtml
- http://www.securityfocus.com/bid/26105
- http://www.securitytracker.com/id?1018828
- http://www.vupen.com/english/advisories/2007/3532
- https://exchange.xforce.ibmcloud.com/vulnerabilities/37246
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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