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CVE-2013-6129

65
FAUCET Score

CVE-2013-6129 describes a critical vulnerability in vBulletin versions 4.1 and 5, where the install/upgrade.php scripts allowed remote attackers to create administrative accounts. This unauthenticated flaw, with a CVSS score of 7.5, enabled attackers to gain full control over affected vBulletin forums by manipulating specific parameters. The vulnerability was actively exploited in the wild in October 2013, with publicly available exploit code, including a Metasploit module and an ExploitDB entry, despite minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.1CPE matchmatch criteria
cpe:2.3:a:vbulletin:vbulletin:4.1:*:*:*:*:*:*:*
5.0.0CPE matchmatch criteria
cpe:2.3:a:vbulletin:vbulletin:5.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
51.89%
Probability of exploitation in next 30 days
EPSS Percentile
98.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
Metasploit: vBulletin Administrator Account Creation · Oct 9, 2013
ExploitDB: EDB-38785 · Oct 13, 2013
This CVE's current EPSS score of 0.5189 is in the 98th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

net-security.org / secworld.php
Exploit
vbulletin.com / forum/forum/vbulletin-announcements/vbulletin-announcements_aa/3991423-potential-vbulletin-exploit-vbulletin-4-1-vbulletin-5
Vendor Advisory