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CVE-2011-4173

21
FAUCET Score

CVE-2011-4173 describes a Cross-Site Request Forgery (CSRF) vulnerability in Simple Machines Forum (SMF) 2.x versions prior to 2.0.1. This flaw allows remote attackers to hijack the authentication of administrators or moderators through crafted image files. With a CVSS score of 6.8, this vulnerability has a medium severity, indicating that an attacker can achieve partial confidentiality, integrity, and availability impacts with moderate attack complexity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.0CPE matchmatch criteria
cpe:2.3:a:simplemachines:smf:2.0:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:simplemachines:smf:2.0:beta1:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:simplemachines:smf:2.0:beta2:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:simplemachines:smf:2.0:beta2.1:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:simplemachines:smf:2.0:beta3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.59%
Probability of exploitation in next 30 days
EPSS Percentile
44.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0059 is in the 7th percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

openwall.com / lists/oss-security/2011/10/09/3
openwall.com / lists/oss-security/2011/10/10/6
secunia.com / advisories/46386
Vendor Advisory
simplemachines.org / community/index.php
Vendor Advisory