CVE-2011-3277
Unspecified vulnerability in the NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service (device reload) by sending crafted H.323 packets to TCP port 1720, aka Bug…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.77%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Unspecified vulnerability in the NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service (device reload) by sending crafted H.323 packets to TCP port 1720, aka Bug ID CSCth11006.
- CVSS 2.0
- 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 1.77% probability · 77th percentile
- CISA KEV
- Not listed
- Affected
- cisco/ios xe · cisco/ios
- Source
- psirt@cisco.com
References
- http://tools.cisco.com/security/center/viewAlert.x?alertId=24119Vendor Advisory
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d4d.shtmlVendor Advisory
- http://tools.cisco.com/security/center/viewAlert.x?alertId=24119Vendor Advisory
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d4d.shtmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.