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CVE-2009-4449

6.5 · MEDIUM

Directory traversal vulnerability in MyBB (aka MyBulletinBoard) 1.4.10, and possibly earlier versions, when changing the user avatar from the gallery, allows remote authenticated users to determine…

Published Dec 29, 2009mybbCWE-22EPSS 2.70%

Overview

CVE-2009-4449 is a medium-severity vulnerability affecting mybb mybb. It was published on December 29, 2009 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Directory traversal vulnerability in MyBB (aka MyBulletinBoard) 1.4.10, and possibly earlier versions, when changing the user avatar from the gallery, allows remote authenticated users to determine the existence of files via directory traversal sequences in the avatar and possibly the gallery parameters, related to (1) admin/modules/user/users.php and (2) usercp.php.

Remediation

Check the references section for vendor advisories and patches from mybb. Update mybb to the latest patched version. 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.

Affected products

VendorProductVersionsStatus

References

Refblog.mybboard.net/2009/12/29/mybb-1-4-11-released-minor-patch-security-update/Refdev.mybboard.net/issues/617Refdev.mybboard.net/projects/mybb/repository/revisions/4663/diff/branches/1.4-stable/admin/modules/user/users.phpRefdev.mybboard.net/projects/mybb/repository/revisions/4663/diff/branches/1.4-stable/usercp.phpRefopenwall.com/lists/oss-security/2010/10/08/7Refopenwall.com/lists/oss-security/2010/10/11/8Refopenwall.com/lists/oss-security/2010/12/06/2Refosvdb.org/61359Refsecunia.com/advisories/37906Refwww.securityfocus.com/bid/37489

How CyberStrike helps

Frequently asked questions

What is CVE-2009-4449?

CVE-2009-4449 is a medium-severity vulnerability affecting mybb mybb. It was published on December 29, 2009 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2009-4449?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2009-4449?

Check the references section for vendor advisories and patches from mybb. Update mybb to the latest patched version. 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-2009-4449?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-4449 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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