CVE-2012-1031

Unspecified vulnerability in EPiServer CMS 5 and 6 through 6R2, in certain configurations using Forms Authentication, allows remote authenticated users to obtain WebAdmins access by leveraging Edit Mode privileges, a different vulnerability than CVE-2011-3416 and CVE-2011-3417.

Published: 2012-02-08 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-1031 is rated Moderate Risk (46.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.12%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-1031

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 0.37% 1.12% +0.74%
2 2025-03-17 0.34% 0.37% +0.03%
3 2023-03-07 0.34%

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-1031

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.0 2.0 MEDIUM
AV:N/AC:M/Au:S/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:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
6.8 6.4 [email protected]

Weakness enumeration for CVE-2012-1031

Affected software / configurations for CVE-2012-1031

Vendor Product Version Raw CPE
episerver episerver_cms 5.1.422.4 cpe:2.3:a:episerver:episerver_cms:5.1.422.4:*:*:*:*:*:*:*
episerver episerver_cms 5.1.422.122 cpe:2.3:a:episerver:episerver_cms:5.1.422.122:*:*:*:*:*:*:*
episerver episerver_cms 5.1.422.256 cpe:2.3:a:episerver:episerver_cms:5.1.422.256:*:*:*:*:*:*:*
episerver episerver_cms 5.1.422.267 cpe:2.3:a:episerver:episerver_cms:5.1.422.267:*:*:*:*:*:*:*
episerver episerver_cms 5.2.375.7 cpe:2.3:a:episerver:episerver_cms:5.2.375.7:*:*:*:*:*:*:*
episerver episerver_cms 5.2.375.133 cpe:2.3:a:episerver:episerver_cms:5.2.375.133:*:*:*:*:*:*:*
episerver episerver_cms 5.2.375.236 cpe:2.3:a:episerver:episerver_cms:5.2.375.236:*:*:*:*:*:*:*
episerver episerver_cms 6.0.530.0 cpe:2.3:a:episerver:episerver_cms:6.0.530.0:*:*:*:*:*:*:*
episerver episerver_cms 6.1.379.0 cpe:2.3:a:episerver:episerver_cms:6.1.379.0:*:*:*:*:*:*:*

References for CVE-2012-1031

cvelogic Threat Intelligence