Unscored severity · published Aug 27, 2009
CVE-2009-2051
Cisco IOS 12.2 through 12.4 and 15.0 through 15.1, Cisco IOS XE 2.5.x and 2.6.x before 2.6.1, and Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x…
–
CVSS
3.4%
EPSS
No
On KEV
Description
Cisco IOS 12.2 through 12.4 and 15.0 through 15.1, Cisco IOS XE 2.5.x and 2.6.x before 2.6.1, and Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), and 7.x before 7.1(2) allow remote attackers to cause a denial of service (device reload or voice-services outage) via a malformed SIP INVITE message that triggers an improper call to the sipSafeStrlen function, aka Bug IDs CSCsz40392 and CSCsz43987.
Exploitation
Is it being used?
Exploit prediction (EPSS)3.4% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IX
IOS XE · Cisco
2.5.0 through 2.6.1 · source: NVD
IO
Ios · Cisco
12.2 through 12.4; 15.0 through 15.1 · source: NVD
UC
Unified Communications Manager · Cisco
5.0 before 5.1\(3g\); 6.1\(1\) before 6.1\(4\); 7.1 before 7.1\(2\) · source: NVD
Affected product
IX
IOS XE
Cisco
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