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CVE-2009-3721

7.8 · HIGH

Multiple directory traversal and buffer overflow vulnerabilities were discovered in yTNEF, and in Evolution's TNEF parser that is derived from yTNEF.

Published May 26, 2021CWE-22EPSS 1.61%

Overview

CVE-2009-3721 is a high-severity vulnerability. It was published on May 26, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Multiple directory traversal and buffer overflow vulnerabilities were discovered in yTNEF, and in Evolution's TNEF parser that is derived from yTNEF. A crafted email could cause these applications to write data in arbitrary locations on the filesystem, crash, or potentially execute arbitrary code when decoding attachments.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.ocert.org/advisories/ocert-2009-013.htmlRefbugzilla.redhat.com/show_bug.cgi?id=521662Refwww.ocert.org/advisories/ocert-2009-013.htmlRefbugzilla.redhat.com/show_bug.cgi?id=521662

How CyberStrike helps

Frequently asked questions

What is CVE-2009-3721?

CVE-2009-3721 is a high-severity vulnerability. It was published on May 26, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2009-3721?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-3721?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-3721?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-3721 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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