CVE-2009-4913

CVE-2009-4913 is a medium-severity vulnerability in Cisco Asa 5580 with a CVSS 2.0 base score of 5.0. 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-264.

Key facts

Description

The IPv6 implementation on Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) exposes IP services on the "far side of the box," which might allow remote attackers to bypass intended access restrictions via IPv6 packets, aka Bug ID CSCso58622.

Frequently asked questions

What is CVE-2009-4913?
The IPv6 implementation on Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) exposes IP services on the "far side of the box," which might allow remote attackers to bypass intended access restrictions via IPv6 packets, aka Bug ID CSCso58622.
How severe is CVE-2009-4913?
CVE-2009-4913 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-4913 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4913?
CVE-2009-4913 affects Cisco Asa 5580. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-4913?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4913 published?
CVE-2009-4913 was published on 2010-06-29 and last updated on 2026-06-16.

References

Affected products (1)

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