CVE-2003-1109

Published: Dec 31, 2003Modified: Apr 16, 2026

7.5

Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability: 10.0 / Impact: 6.4

Source: NVD

Description

The Session Initiation Protocol (SIP) implementation in multiple Cisco products including IP Phone models 7940 and 7960, IOS versions in the 12.2 train, and Secure PIX 5.2.9 to 6.2.2 allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted INVITE messages, as demonstrated by the OUSPG PROTOS c07-sip test suite.

Affected (75)

Products: Cisco: Ios, Ip Phone 7940, Ip Phone 7960, Pix Firewall Software

4 products

Pix Firewall Software

Configuration A

75 vulnerable

Vulnerable Software	Affected Versions
Cisco Ios	Version 12.2(11)t
Cisco Ios	Version 12.2(1)xa
Cisco Ios	Version 12.2(1)xd1
Cisco Ios	Version 12.2(1)xd3
Cisco Ios	Version 12.2(1)xd4
Cisco Ios	Version 12.2(1)xd
Cisco Ios	Version 12.2(1)xe2
Cisco Ios	Version 12.2(1)xe3
Cisco Ios	Version 12.2(1)xe
Cisco Ios	Version 12.2(1)xh
Cisco Ios	Version 12.2(1)xq
Cisco Ios	Version 12.2(1)xs1
Cisco Ios	Version 12.2(1)xs
Cisco Ios	Version 12.2(2)t4
Cisco Ios	Version 12.2(2)xa1
Cisco Ios	Version 12.2(2)xa5
Cisco Ios	Version 12.2(2)xa
Cisco Ios	Version 12.2(2)xb3
Cisco Ios	Version 12.2(2)xb4
Cisco Ios	Version 12.2(2)xb
Cisco Ios	Version 12.2(2)xf
Cisco Ios	Version 12.2(2)xg
Cisco Ios	Version 12.2(2)xh2
Cisco Ios	Version 12.2(2)xh3
Cisco Ios	Version 12.2(2)xh
Cisco Ios	Version 12.2(2)xi1
Cisco Ios	Version 12.2(2)xi2
Cisco Ios	Version 12.2(2)xi
Cisco Ios	Version 12.2(2)xj1
Cisco Ios	Version 12.2(2)xj
Cisco Ios	Version 12.2(2)xk2
Cisco Ios	Version 12.2(2)xk
Cisco Ios	Version 12.2(2)xn
Cisco Ios	Version 12.2(2)xt3
Cisco Ios	Version 12.2(2)xt
Cisco Ios	Version 12.2(2)xu2
Cisco Ios	Version 12.2(2)xu
Cisco Ios	Version 12.2t
Cisco Ios	Version 12.2xa
Cisco Ios	Version 12.2xb
Cisco Ios	Version 12.2xc
Cisco Ios	Version 12.2xd
Cisco Ios	Version 12.2xe
Cisco Ios	Version 12.2xf
Cisco Ios	Version 12.2xg
Cisco Ios	Version 12.2xh
Cisco Ios	Version 12.2xi
Cisco Ios	Version 12.2xj
Cisco Ios	Version 12.2xk
Cisco Ios	Version 12.2xl
Cisco Ios	Version 12.2xm
Cisco Ios	Version 12.2xn
Cisco Ios	Version 12.2xq
Cisco Ios	Version 12.2xr
Cisco Ios	Version 12.2xs
Cisco Ios	Version 12.2xt
Cisco Ios	Version 12.2xw
Cisco Ip Phone 7940	All versions
Cisco Ip Phone 7960	All versions
Cisco Pix Firewall Software	Version 5.2(1)
Cisco Pix Firewall Software	Version 5.2(2)
Cisco Pix Firewall Software	Version 5.2(3.210)
Cisco Pix Firewall Software	Version 5.2(5)
Cisco Pix Firewall Software	Version 5.2(6)
Cisco Pix Firewall Software	Version 5.2(7)
Cisco Pix Firewall Software	Version 5.3
Cisco Pix Firewall Software	Version 5.3(1.200)
Cisco Pix Firewall Software	Version 5.3(1)
Cisco Pix Firewall Software	Version 5.3(2)
Cisco Pix Firewall Software	Version 5.3(3)
Cisco Pix Firewall Software	Version 6.0
Cisco Pix Firewall Software	Version 6.0(1)
Cisco Pix Firewall Software	Version 6.0(2)
Cisco Pix Firewall Software	Version 6.1(2)
Cisco Pix Firewall Software	Version 6.2(1)