CVE-2008-2055

CVE-2008-2055 is a high-severity vulnerability in Cisco Pix Security Appliance 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. The underlying weakness is classified as CWE-20.

Key facts

Description

Cisco Adaptive Security Appliance (ASA) and Cisco PIX security appliance 7.1.x before 7.1(2)70, 7.2.x before 7.2(4), and 8.0.x before 8.0(3)10 allows remote attackers to cause a denial of service via a crafted TCP ACK packet to the device interface.

Frequently asked questions

What is CVE-2008-2055?
Cisco Adaptive Security Appliance (ASA) and Cisco PIX security appliance 7.1.x before 7.1(2)70, 7.2.x before 7.2(4), and 8.0.x before 8.0(3)10 allows remote attackers to cause a denial of service via a crafted TCP ACK packet to the device interface.
How severe is CVE-2008-2055?
CVE-2008-2055 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2008-2055 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-2008-2055?
CVE-2008-2055 primarily affects Cisco Pix Security Appliance. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-2055?
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-2008-2055 published?
CVE-2008-2055 was published on 2008-06-04 and last updated on 2026-06-16.

References

Affected products (6)

More vulnerabilities in Cisco Pix Security Appliance

All CVEs affecting Cisco Pix Security Appliance →

Other CWE-20 (Improper Input Validation) vulnerabilities

Browse all CWE-20 (Improper Input Validation) vulnerabilities →