CVE-2012-4877

Exp

Cross-site request forgery (CSRF) vulnerability in controlcenter.php in FlatnuX CMS 2011 08.09.2 and earlier allows remote attackers to hijack the authentication of administrators for requests that add user accounts.

Published: 2012-09-06 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-4877 is rated High Exploit Risk (61.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.18%). 3 public exploit reference(s) are indexed (Exploit-DB). 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-2012-4877

EDB-ID Source Kind Published Link
37035 exploit_db edb 2012-04-01 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2012-4877

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 4.41% 1.18% -3.22%
2 2026-05-08 3.75% 4.41% +0.66%
3 2026-02-19 — 3.75% —

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-4877

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/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:M)
Exploitation needs some favorable conditions, but not exceptional ones.
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.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2012-4877

Affected software / configurations for CVE-2012-4877

Vendor Product Version Raw CPE
flatnux flatnux <= 2011-08-09-2 cpe:2.3:a:flatnux:flatnux:*:*:*:*:*:*:*:*
flatnux flatnux 2008-12-11 cpe:2.3:a:flatnux:flatnux:2008-12-11:*:*:*:*:*:*:*
flatnux flatnux 2009-01-27 cpe:2.3:a:flatnux:flatnux:2009-01-27:*:*:*:*:*:*:*
flatnux flatnux 2009-02-04 cpe:2.3:a:flatnux:flatnux:2009-02-04:*:*:*:*:*:*:*

References for CVE-2012-4877

cvelogic Threat Intelligence