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 or hang) by sending crafted SIP packets to TCP port 5060, aka Bug ID CSCso02147.
CVSS v2.0 Score
7.8
/ 10.0
HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C
Information
- Published
- 3 oct. 2011
- Updated
- 29 avr. 2026
- Status
- Modified
- Source
- psirt@cisco.com
Affected products
cisco ios xeAll Cisco IOS XE CVEs →
Versions : 3.1.0sg, 3.1.1sg
cisco ios
Versions : 12.1, 12.1e, 12.2, 12.2b, 12.2bc
Weaknesses (CWE)
NVD-CWE-noinfo
References (4)
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