CVE-2011-3993

SKYARC MTCMS before 5.252, and the MultiFileUploader 0.44 and earlier, DuplicateEntry 1.2 and earlier, MailPack 1.741 and earlier, and AutoTagging 0.08 and earlier plugins for Movable Type, uses weak permissions, which allows remote authenticated users to modify files and settings via unspecified vectors.

Published: 2011-11-03 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-3993 is rated Moderate Risk (43.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.12%). 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-2011-3993

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 2026-06-18 1.22% 1.12% -0.10%
2 2026-06-15 0.34% 1.22% +0.88%
3 2025-03-30 — 0.34% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-3993

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/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:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 4.9 [email protected]

Weakness enumeration for CVE-2011-3993

Affected software / configurations for CVE-2011-3993

Vendor Product Version Raw CPE
skyarc autotagging <= 0.08 cpe:2.3:a:skyarc:autotagging:*:*:*:*:*:*:*:*
skyarc duplicateentry <= 1.2 cpe:2.3:a:skyarc:duplicateentry:*:*:*:*:*:*:*:*
skyarc mailpack <= 1.741 cpe:2.3:a:skyarc:mailpack:*:*:*:*:*:*:*:*
skyarc mtcms <= 5.251 cpe:2.3:a:skyarc:mtcms:*:*:*:*:*:*:*:*
skyarc mtcms 5.2 cpe:2.3:a:skyarc:mtcms:5.2:*:*:*:*:*:*:*
skyarc mtcms 5.21 cpe:2.3:a:skyarc:mtcms:5.21:*:*:*:*:*:*:*
skyarc mtcms 5.22 cpe:2.3:a:skyarc:mtcms:5.22:*:*:*:*:*:*:*
skyarc mtcms 5.23 cpe:2.3:a:skyarc:mtcms:5.23:*:*:*:*:*:*:*
skyarc mtcms 5.24 cpe:2.3:a:skyarc:mtcms:5.24:*:*:*:*:*:*:*
skyarc mtcms 5.24 cpe:2.3:a:skyarc:mtcms:5.24:*:enterprise:*:*:*:*:*
skyarc mtcms 5.24 cpe:2.3:a:skyarc:mtcms:5.24:*:smart:*:*:*:*:*
skyarc mtcms 5.25 cpe:2.3:a:skyarc:mtcms:5.25:*:*:*:*:*:*:*
skyarc mtcms 5.25 cpe:2.3:a:skyarc:mtcms:5.25:*:enterprise:*:*:*:*:*
skyarc mtcms 5.25 cpe:2.3:a:skyarc:mtcms:5.25:*:smart:*:*:*:*:*
skyarc mtcms 5.251 cpe:2.3:a:skyarc:mtcms:5.251:*:enterprise:*:*:*:*:*
skyarc mtcms 5.251 cpe:2.3:a:skyarc:mtcms:5.251:*:smart:*:*:*:*:*
skyarc multifileuploader <= 0.44 cpe:2.3:a:skyarc:multifileuploader:*:*:*:*:*:*:*:*

References for CVE-2011-3993

cvelogic Threat Intelligence