CVE-2009-1156

Name: CVE-2009-1156
Creator: NVD / NIST
Published: 2009-04-09T15:08:35.717+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.74%

Last modified Jun 16, 2026

CVE-2009-1156 is a vulnerability of currently unknown severity. Unspecified vulnerability on Cisco Adaptive Security Appliances (ASA) 5500 Series devices 8.0 before 8.0(4)25 and 8.1 before 8.1(2)15, when an SSL VPN or ASDM access is configured, allows remote attackers to cause a denial of service (device reload) via a crafted (1) SSL or (2) HTTP packet.. EPSS estimates a 0.74% chance of exploitation in the next 30 days.

Description

Unspecified vulnerability on Cisco Adaptive Security Appliances (ASA) 5500 Series devices 8.0 before 8.0(4)25 and 8.1 before 8.1(2)15, when an SSL VPN or ASDM access is configured, allows remote attackers to cause a denial of service (device reload) via a crafted (1) SSL or (2) HTTP packet.

Metrics

EPSS Probability

0.74%

50.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Cisco	Adaptive Security Appliance 5500	8.0
Cisco	Adaptive Security Appliance 5500	8.1
Cisco	Pix	8.0
Cisco	Pix	8.1

References

Timeline

Published: Apr 9, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-1156?

How severe is CVE-2009-1156?

Severity scoring for CVE-2009-1156 is pending analysis. The EPSS model estimates a 0.74% probability of exploitation in the next 30 days.

How do I fix CVE-2009-1156?

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-2009-1156?

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

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Source: NVD / NIST