CVE-2012-3521

Exp

Multiple directory traversal vulnerabilities in the cssgen contrib module in GeSHi before 1.0.8.11 allow remote attackers to read arbitrary files via a .. (dot dot) in the (1) geshi-path or (2) geshi-lang-path parameter.

Published: 2014-06-13 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-3521 is rated Exploit Available (58.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.54%). 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-2012-3521

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

Exploit prediction scoring system (EPSS) score for CVE-2012-3521

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 2026-05-30 0.64% 0.54% -0.10%
2 2025-09-09 0.87% 0.64% -0.23%
3 2025-04-28 0.87%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-3521

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2012-3521

GitHub Security Advisory for CVE-2012-3521

GHSA-fw3x-2pr2-5j64 · Severity: high · Ecosystem: composer — GeSHi vulnerable to Directory Traversal

OS Trackers for CVE-2012-3521

vendor priority summary link
debian not yet assigned CVE-2012-3521 not yet assigned priority: Debian including 1 source packages (geshi), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2012-3521
ubuntu low CVE-2012-3521 low priority: Ubuntu including 1 source packages (geshi), 19 status rows across 19 suites (artful, bionic, cosmic, hardy, lucid, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 14, not-affected 3, DNE 1, released 1. https://ubuntu.com/security/CVE-2012-3521

Affected software / configurations for CVE-2012-3521

Vendor Product Version Raw CPE
qbnz geshi <= 1.0.8.10 cpe:2.3:a:qbnz:geshi:*:*:*:*:*:*:*:*
qbnz geshi 1.0.8.4 cpe:2.3:a:qbnz:geshi:1.0.8.4:*:*:*:*:*:*:*
qbnz geshi 1.0.8.5 cpe:2.3:a:qbnz:geshi:1.0.8.5:*:*:*:*:*:*:*
qbnz geshi 1.0.8.6 cpe:2.3:a:qbnz:geshi:1.0.8.6:*:*:*:*:*:*:*
qbnz geshi 1.0.8.7 cpe:2.3:a:qbnz:geshi:1.0.8.7:*:*:*:*:*:*:*
qbnz geshi 1.0.8.8 cpe:2.3:a:qbnz:geshi:1.0.8.8:*:*:*:*:*:*:*
qbnz geshi 1.0.8.9 cpe:2.3:a:qbnz:geshi:1.0.8.9:*:*:*:*:*:*:*

References for CVE-2012-3521

cvelogic Threat Intelligence