CVE-2013-5639

Exp

Directory traversal vulnerability in users/login.php in Gnew 2013.1 and earlier allows remote attackers to read arbitrary files via a .. (dot dot) in the gnew_language cookie.

Published: 2014-03-11 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-5639 is rated High Exploit Risk (80.2/100): CVSS High severity, with high exploitation likelihood (EPSS 7.09%, 93th percentile). 4 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.50% over the last day, indicating growing attacker interest. 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-2013-5639

EDB-ID Source Kind Published Link
28684 exploit_db edb 2013-10-02 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-5639

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 4.59% 7.09% +2.50%
2 2025-10-25 4.92% 4.59% -0.33%
3 2025-03-30 — 4.92% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-5639

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P 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:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2013-5639

NVD evaluator notes for CVE-2013-5639

Solution: CVE-2013-5639 CVSS assessment per LFI: https://www.htbridge.com/advisory/HTB23171 "1) PHP File Inclusion in Gnew: CVE-2013-5639 Vulnerability exists due to insufficient validation of user-supplied input passed via the "gnew_language" cookie to "/users/login.php" script before using it in "include()" function. A remote attacker can include and execute arbitrary local files on a vulnerable system via directory traversal sequence and URL-encoded NULL byte. The following exploitation example below displays content of the "/etc/passwd" file: GET /users/login.php HTTP/1.1 Cookie: gnew_language=../../../etc/passwd%00;"

Affected software / configurations for CVE-2013-5639

Vendor Product Version Raw CPE
raoul_proenca gnew <= 2013.1 cpe:2.3:a:raoul_proenca:gnew:*:*:*:*:*:*:*:*

References for CVE-2013-5639

cvelogic Threat Intelligence