How severe is CVE-2007-0959?

CVE-2007-0959 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2007-0959 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-0959?

CVE-2007-0959 primarily affects Cisco Asa 5500. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-0959?

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-2007-0959 published?

CVE-2007-0959 was published on 2007-02-16 and last updated on 2026-06-16.

CVE-2007-0959

CVE-2007-0959 is a high-severity vulnerability in Cisco Asa 5500 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% (81st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Asa 5500
Published: 2007-02-16
Last modified: 2026-06-16

Description

Cisco PIX 500 and ASA 5500 Series Security Appliances 7.2.2, when configured to inspect certain TCP-based protocols, allows remote attackers to cause a denial of service (device reboot) via malformed TCP packets.

Frequently asked questions

What is CVE-2007-0959?: Cisco PIX 500 and ASA 5500 Series Security Appliances 7.2.2, when configured to inspect certain TCP-based protocols, allows remote attackers to cause a denial of service (device reboot) via malformed TCP packets.
How severe is CVE-2007-0959?: CVE-2007-0959 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2007-0959 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-0959?: CVE-2007-0959 primarily affects Cisco Asa 5500. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-0959?: 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-2007-0959 published?: CVE-2007-0959 was published on 2007-02-16 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:h:cisco:asa_5500:7.2\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:7.2\(2\):*:*:*:*:*:*:*

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