How severe is CVE-2007-0963?

CVE-2007-0963 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2007-0963 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-0963?

CVE-2007-0963 affects Cisco Firewall Services Module. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-0963?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2007-0963 published?

CVE-2007-0963 was published on 2007-02-16 and last updated on 2026-06-16.

CVE-2007-0963

CVE-2007-0963 is a high-severity vulnerability in Cisco Firewall Services Module with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Firewall Services Module
Published: 2007-02-16
Last modified: 2026-06-16

Description

Unspecified vulnerability in Cisco Firewall Services Module (FWSM) 3.x before 3.1(3.3), when set to log at the "debug" level, allows remote attackers to cause a denial of service (device reboot) by sending packets that are not of a particular protocol such as TCP or UDP, which triggers the reboot during generation of Syslog message 710006.

Frequently asked questions

What is CVE-2007-0963?: Unspecified vulnerability in Cisco Firewall Services Module (FWSM) 3.x before 3.1(3.3), when set to log at the "debug" level, allows remote attackers to cause a denial of service (device reboot) by sending packets that are not of a particular protocol such as TCP or UDP, which triggers the reboot during generation of Syslog message 710006.
How severe is CVE-2007-0963?: CVE-2007-0963 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2007-0963 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-0963?: CVE-2007-0963 affects Cisco Firewall Services Module. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-0963?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2007-0963 published?: CVE-2007-0963 was published on 2007-02-16 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:h:cisco:firewall_services_module:3.1:*:*:*:*:*:*:*

More vulnerabilities in Cisco Firewall Services Module

CVE-2007-0968 — Critical (CVSS 9.0): Unspecified vulnerability in Cisco Firewall Services Module (FWSM) before 2.3(4.7) and 3.x before 3.1(3.1) causes the…
CVE-2012-0356 — High (CVSS 7.8): Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst…
CVE-2011-0394 — High (CVSS 7.8): Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 7.0 before 7.0(8.11), 7.1 and 7.2 before…
CVE-2010-2820 — High (CVSS 7.8): Unspecified vulnerability in the SunRPC inspection feature on the Cisco Firewall Services Module (FWSM) with software…
CVE-2010-2819 — High (CVSS 7.8): Unspecified vulnerability in the SunRPC inspection feature on the Cisco Firewall Services Module (FWSM) with software…
CVE-2010-2818 — High (CVSS 7.8): Unspecified vulnerability in the SunRPC inspection feature on the Cisco Firewall Services Module (FWSM) with software…

All CVEs affecting Cisco Firewall Services Module →