CVE-2009-1339

Exp

Cross-site request forgery (CSRF) vulnerability in TWiki before 4.3.1 allows remote authenticated users to hijack the authentication of arbitrary users for requests that update pages, as demonstrated by a URL for a save script in the SRC attribute of an IMG element, a related issue to CVE-2009-1434.

Published: 2009-04-30 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-1339 is rated Exploit Available (56.8/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.75%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2009-1339

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-1339

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.37% 0.75% +0.38%
2 2025-03-17 0.33% 0.37% +0.04%
3 2024-12-17 0.33%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-1339

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.0 2.0 MEDIUM
AV:N/AC:M/Au:S/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
6.8 6.4 [email protected]

Weakness enumeration for CVE-2009-1339

OS Trackers for CVE-2009-1339

vendor priority summary link
ubuntu medium CVE-2009-1339 medium priority: Ubuntu including 1 source packages (twiki), 10 status rows across 10 suites (dapper, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): ignored 5, DNE 4, needs-triage 1. https://ubuntu.com/security/CVE-2009-1339

Affected software / configurations for CVE-2009-1339

Vendor Product Version Raw CPE
twiki twiki <= 4.3.0 cpe:2.3:a:twiki:twiki:*:*:*:*:*:*:*:*
twiki twiki 4.1.2 cpe:2.3:a:twiki:twiki:4.1.2:*:*:*:*:*:*:*
twiki twiki 4.2.0 cpe:2.3:a:twiki:twiki:4.2.0:*:*:*:*:*:*:*
twiki twiki 4.2.1 cpe:2.3:a:twiki:twiki:4.2.1:*:*:*:*:*:*:*
twiki twiki 4.2.2 cpe:2.3:a:twiki:twiki:4.2.2:*:*:*:*:*:*:*
twiki twiki 4.2.3 cpe:2.3:a:twiki:twiki:4.2.3:*:*:*:*:*:*:*
twiki twiki 4.2.4 cpe:2.3:a:twiki:twiki:4.2.4:*:*:*:*:*:*:*

References for CVE-2009-1339

cvelogic Threat Intelligence