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CVE-2009-1339

20
FAUCET Score

CVE-2009-1339 describes a Cross-Site Request Forgery (CSRF) vulnerability in TWiki versions prior to 4.3.1. This flaw allows an authenticated attacker to hijack the session of another authenticated user, enabling them to make unauthorized changes to pages. The vulnerability has a CVSS score of 6.0, indicating a medium severity, with an attack vector over the network, medium attack complexity, and potential for partial impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, and no public exploit code or significant community discussion has been identified for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.3.0CPE matchmatch criteria
cpe:2.3:a:twiki:twiki:*:*:*:*:*:*:*:*
4.1.2CPE matchmatch criteria
cpe:2.3:a:twiki:twiki:4.1.2:*:*:*:*:*:*:*
4.2.0CPE matchmatch criteria
cpe:2.3:a:twiki:twiki:4.2.0:*:*:*:*:*:*:*
4.2.1CPE matchmatch criteria
cpe:2.3:a:twiki:twiki:4.2.1:*:*:*:*:*:*:*
4.2.2CPE matchmatch criteria
cpe:2.3:a:twiki:twiki:4.2.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.0MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
6.8
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.75%
Probability of exploitation in next 30 days
EPSS Percentile
51.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0075 is in the 39th percentile among its peer group of 1,428 CVEs.

Social Chatter

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

bugs.debian.org / 526258
secunia.com / advisories/34880
Vendor Advisory
securitytracker.com / id
Patch
exchange.xforce.ibmcloud.com / vulnerabilities/50254
launchpad.net / bugs/cve/2009-1339
sourceforge.net / mailarchive/forum.php
twiki.org / cgi-bin/view/Codev/SecurityAlert-CVE-2009-1339
Vendor Advisory
twiki.org / p/pub/Codev/SecurityAlert-CVE-2009-1339/TWiki-4.3.0-c-diff-cve-2009-1339.txt
Exploit
nabble.com / Bug-526258:-CVE-2009-1339:-CSRF-Vulnerability-with-Image-Tag-td23311575.html
vupen.com / english/advisories/2009/1217