CVE-2013-4900

Exp

Directory traversal vulnerability in DeWeS web server 0.4.2 and possibly earlier, as used in Twilight CMS, allows remote attackers to read arbitrary files via a ..%5c (dot dot encoded backslash) in a GET request.

Published: 2013-09-09 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-4900 is rated High Exploit Risk (70.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 22.17%, 96th percentile). 5 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.81% 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-2013-4900

EDB-ID Source Kind Published Link
27777 exploit_db edb 2013-08-22 Exploit-DB ↗
38737 exploit_db edb 2013-08-21 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-2013-4900

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 2026-04-02 20.35% 22.17% +1.81%
2 2025-07-21 22.07% 20.35% -1.72%
3 2025-05-05 — 22.07% —

Full EPSS history (24 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4900

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-2013-4900

Affected software / configurations for CVE-2013-4900

Vendor Product Version Raw CPE
twilightcms twilight_cms 5.17 cpe:2.3:a:twilightcms:twilight_cms:5.17:*:*:en:*:*:*:*
twilightcms twilight_cms 5.17 cpe:2.3:a:twilightcms:twilight_cms:5.17:*:*:ru:*:*:*:*

References for CVE-2013-4900

cvelogic Threat Intelligence