CVE-2007-0961

Cisco PIX 500 and ASA 5500 Series Security Appliances 6.x before 6.3(5.115), 7.0 before 7.0(5.2), and 7.1 before 7.1(2.5), and the FWSM 3.x before 3.1(3.24), when the "inspect sip" option is enabled, allows remote attackers to cause a denial of service (device reboot) via malformed SIP packets.

Published: 2007-02-16 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-0961 is rated High Risk (65.5/100): CVSS High severity, with high exploitation likelihood (EPSS 9.90%, 93th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.81% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2007-0961

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-12 8.09% 9.90% +1.81%
2 2026-03-05 7.35% 8.09% +0.74%
3 2025-10-05 — 7.35% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-0961

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2007-0961

Affected software / configurations for CVE-2007-0961

Vendor Product Version Raw CPE
cisco asa_5500 6.3 cpe:2.3:h:cisco:asa_5500:6.3:*:*:*:*:*:*:*
cisco asa_5500 7.0 cpe:2.3:h:cisco:asa_5500:7.0:*:*:*:*:*:*:*
cisco asa_5500 7.1 cpe:2.3:h:cisco:asa_5500:7.1:*:*:*:*:*:*:*
cisco asa_5500 7.2 cpe:2.3:h:cisco:asa_5500:7.2:*:*:*:*:*:*:*
cisco pix_firewall_software 6.3 cpe:2.3:o:cisco:pix_firewall_software:6.3:*:*:*:*:*:*:*
cisco pix_firewall_software 7.0 cpe:2.3:o:cisco:pix_firewall_software:7.0:*:*:*:*:*:*:*
cisco pix_firewall_software 7.1 cpe:2.3:o:cisco:pix_firewall_software:7.1:*:*:*:*:*:*:*
cisco pix_firewall_software 7.2 cpe:2.3:o:cisco:pix_firewall_software:7.2:*:*:*:*:*:*:*

References for CVE-2007-0961

cvelogic Threat Intelligence