CVE-2012-4036

Exp

Unrestricted file upload vulnerability in admin.php in PBBoard 2.1.4 allows remote administrators to execute arbitrary PHP code by uploading a file with an executable extension, then accessing it via a direct request to the file in the addons directory. NOTE: this vulnerability can be leveraged by remote attackers using CVE-2012-1216.

Published: 2012-08-27 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-4036 is rated High Exploit Risk (75/100): CVSS Medium severity, with high exploitation likelihood (EPSS 6.73%, 91th percentile). Core evidence: 3 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-2012-4036

EDB-ID Source Kind Published Link
37616 exploit_db edb 2012-08-08 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2012-4036

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 2026-04-28 5.87% 6.73% +0.86%
2 2026-03-21 5.21% 5.87% +0.66%
3 2025-03-30 5.21%

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-4036

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-2012-4036

NVD evaluator notes for CVE-2012-4036

Comment: Per: http://cwe.mitre.org/data/definitions/434.html 'CWE-434: Unrestricted Upload of File with Dangerous Type'

Affected software / configurations for CVE-2012-4036

Vendor Product Version Raw CPE
pbboard pbboard 2.1.4 cpe:2.3:a:pbboard:pbboard:2.1.4:*:*:*:*:*:*:*

References for CVE-2012-4036

cvelogic Threat Intelligence