CVE-2009-5038

Name: CVE-2009-5038
Creator: NVD / NIST
Published: 2011-01-07T19:00:02.36+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.18%

Last modified Jun 16, 2026

CVE-2009-5038 is a vulnerability of currently unknown severity. Cisco IOS before 15.0(1)XA does not properly handle IRC traffic during a specific time period after an initial reload, which allows remote attackers to cause a denial of service (device reload) via an attempted connection to a certain IRC server, related to a "corrupted magic value," aka Bug ID CSCso05336.. EPSS estimates a 3.18% chance of exploitation in the next 30 days.

Description

Cisco IOS before 15.0(1)XA does not properly handle IRC traffic during a specific time period after an initial reload, which allows remote attackers to cause a denial of service (device reload) via an attempted connection to a certain IRC server, related to a "corrupted magic value," aka Bug ID CSCso05336.

Metrics

EPSS Probability

3.18%

86.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Cisco	Ios	< 15.0\(1\)xa

References

http://www.cisco.com/en/US/docs/ios/15_0/15_0x/15_01_XA/rn800xa.pdfRelease Notes, Vendor Advisory
http://www.securityfocus.com/bid/45764Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/64682Third Party Advisory, VDB Entry
http://www.cisco.com/en/US/docs/ios/15_0/15_0x/15_01_XA/rn800xa.pdfRelease Notes, Vendor Advisory
http://www.securityfocus.com/bid/45764Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/64682Third Party Advisory, VDB Entry

Timeline

Published: Jan 7, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-5038?

How severe is CVE-2009-5038?

Severity scoring for CVE-2009-5038 is pending analysis. The EPSS model estimates a 3.18% probability of exploitation in the next 30 days.

How do I fix CVE-2009-5038?

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-2009-5038?

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

Scan your code now

Source: NVD / NIST