CVE-2009-2870
Unspecified vulnerability in Cisco IOS 12.2 through 12.4, when the Cisco Unified Border Element feature is enabled, allows remote attackers to cause a denial of service (device reload) via crafted SIP messages, aka Bug ID CSCsx25880.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Unspecified vulnerability in Cisco IOS 12.2 through 12.4, when the Cisco Unified Border Element feature is enabled, allows remote attackers to cause a denial of service (device reload) via crafted SIP messages, aka Bug ID CSCsx25880.
- CVSS 2.0
- 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 2.52% probability · 85th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- cisco/ios
- Source
- psirt@cisco.com
EPSS 2.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://tools.cisco.com/security/center/viewAlert.x?alertId=18891Vendor Advisory
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080af811b.shtmlVendor Advisory
- http://www.securitytracker.com/id?1022930
- http://www.vupen.com/english/advisories/2009/2759
- http://tools.cisco.com/security/center/viewAlert.x?alertId=18891Vendor Advisory
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080af811b.shtmlVendor Advisory
- http://www.securitytracker.com/id?1022930
- http://www.vupen.com/english/advisories/2009/2759
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.