Path Traversal in Mybb
CVE-2009-4449
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.027 (85.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Mybb — versions 1.4.10
Weakness classification (CWE)
References
- www.securityfocus.com/bid/37489 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- openwall.com/lists/oss-security/2010/10/08/7 (mailing-list, Mailing List)
- dev.mybboard.net/projects/mybb/repository/revisions/4663/diff/branches/1.4-stab… (Exploit, Broken Link)
- secunia.com/advisories/37906 (Broken Link, Vendor Advisory, third-party-advisory)
- openwall.com/lists/oss-security/2010/10/11/8 (mailing-list, Mailing List)
- dev.mybboard.net/issues/617 (Broken Link)
- www.vupen.com/english/advisories/2009/3651 (Permissions Required, vdb-entry, Vendor Advisory)
- openwall.com/lists/oss-security/2010/12/06/2 (mailing-list, Mailing List)
- osvdb.org/61359 (vdb-entry, Broken Link)
- blog.mybboard.net/2009/12/29/mybb-1-4-11-released-minor-patch-security-update/ (Release Notes)
Frequently asked questions
- What is CVE-2009-4449?
- CVE-2009-4449 is a medium-severity vulnerability in Mybb, classified under Path Traversal. CVSS score: 6.5/10. Published 2009-12-29.
- How severe is CVE-2009-4449?
- Medium severity. CVSS v3 base score is 6.5 out of 10.