CVE-2009-2050

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-08-27 · updated 2026-06-16

Description

Cisco Unified Communications Manager (aka CUCM, formerly CallManager) before 6.1(1) allows remote attackers to cause a denial of service (voice-services outage) via a malformed header in a SIP message, aka Bug ID CSCsi46466.

Affected products

Cisco Unified Communications Manager: before 6.1\(1\) — fixed in 6.1\(1\)

How to fix

Upgrade to a fixed version: Cisco Unified Communications Manager 6.1\(1\). Check the vendor advisory for mitigations.

References

http://osvdb.org/57452
http://secunia.com/advisories/36495
http://secunia.com/advisories/36499
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtml
http://www.securityfocus.com/bid/36152
http://www.securitytracker.com/id?1022775
http://osvdb.org/57452
http://secunia.com/advisories/36495
http://secunia.com/advisories/36499
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtml
http://www.securityfocus.com/bid/36152
http://www.securitytracker.com/id?1022775

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