CVE-2009-4923

Name: CVE-2009-4923
Creator: NVD / NIST
Published: 2010-06-29T18:30:01.803+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.21%

Last modified Jun 16, 2026

CVE-2009-4923 is a vulnerability of currently unknown severity. Unspecified vulnerability in the DTLS implementation on Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) allows remote attackers to cause a denial of service (traceback) via TLS fragments, aka Bug ID CSCso53162.. EPSS estimates a 1.21% chance of exploitation in the next 30 days.

Description

Unspecified vulnerability in the DTLS implementation on Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) allows remote attackers to cause a denial of service (traceback) via TLS fragments, aka Bug ID CSCso53162.

Metrics

EPSS Probability

1.21%

64.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Cisco	Asa 5580	<= 8.1\(1\)

References

Timeline

Published: Jun 29, 2010
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-4923?

How severe is CVE-2009-4923?

Severity scoring for CVE-2009-4923 is pending analysis. The EPSS model estimates a 1.21% probability of exploitation in the next 30 days.

How do I fix CVE-2009-4923?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-4923?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST