CVE-2009-0628

Name: CVE-2009-0628
Creator: NVD / NIST
Published: 2009-03-27T16:30:01.967+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.93%

Last modified Jun 16, 2026

CVE-2009-0628 is a vulnerability of currently unknown severity. Memory leak in the SSLVPN feature in Cisco IOS 12.3 through 12.4 allows remote attackers to cause a denial of service (memory consumption and device crash) by disconnecting an SSL session in an abnormal manner, leading to a Transmission Control Block (TCB) leak.. EPSS estimates a 1.93% chance of exploitation in the next 30 days.

Description

Memory leak in the SSLVPN feature in Cisco IOS 12.3 through 12.4 allows remote attackers to cause a denial of service (memory consumption and device crash) by disconnecting an SSL session in an abnormal manner, leading to a Transmission Control Block (TCB) leak.

Metrics

EPSS Probability

1.93%

77.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Cisco	Cisco Ios	12.3
Cisco	Cisco Ios	12.4

References

Timeline

Published: Mar 27, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-0628?

How severe is CVE-2009-0628?

Severity scoring for CVE-2009-0628 is pending analysis. The EPSS model estimates a 1.93% probability of exploitation in the next 30 days.

How do I fix CVE-2009-0628?

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-2009-0628?

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

Scan your code now

Source: NVD / NIST