CVE-2009-4449
6.5 · MEDIUMOverview
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
| Vendor | Product | Versions | Status |
|---|
References
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's AI-powered security agents can automatically detect CVE-2009-4449 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
Related MEDIUM CVEs from 2009
View all →Ignite Realtime Openfire before 3.6.5 does not properly implement the register.password (aka canChan
The default configuration of the Security global settings on the Citrix NetScaler Access Gateway app
The Active Template Library (ATL) in Microsoft Visual Studio .NET 2003 SP1, Visual Studio 2005 SP1 a
Multiple use-after-free vulnerabilities in libxml2 2.5.10, 2.6.16, 2.6.26, 2.6.27, and 2.6.32, and l
Cross-site request forgery (CSRF) vulnerability in bingo!CMS 1.2 and earlier allows remote attackers
Multiple directory traversal vulnerabilities in Home FTP Server 1.10.1.139 allow remote authenticate
Cross-site scripting (XSS) vulnerability in CMD_REDIRECT in DirectAdmin 1.33.6 and earlier allows re
Mozilla Network Security Services (NSS) before 3.12.3, Firefox before 3.0.13, Thunderbird before 2.0
Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service (session reset
XTerm in Apple Mac OS X 10.4.11 and 10.5.6, when used with luit, creates tty devices with insecure w
The inotify_read function in the Linux kernel 2.6.27 to 2.6.27.13, 2.6.28 to 2.6.28.2, and 2.6.29-rc
nss-ldapd before 0.6.8 uses world-readable permissions for the /etc/nss-ldapd.conf file, which allow