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CVE-2013-4431

16
FAUCET Score

CVE-2013-4431 describes an improper access control vulnerability in Mahara versions prior to 1.5.12, 1.6.7, and 1.7.3. This flaw allows remote authenticated users to modify arbitrary blocks by manipulating the block ID in an edit request. With a CVSS score of 5.5, this vulnerability has a network attack vector, low attack complexity, and results in partial integrity and availability impacts. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.5.11CPE matchmatch criteria
cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*
1.5CPE matchmatch criteria
cpe:2.3:a:mahara:mahara:1.5:rc1:*:*:*:*:*:*
1.5CPE matchmatch criteria
cpe:2.3:a:mahara:mahara:1.5:rc2:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:mahara:mahara:1.5.0:*:*:*:*:*:*:*
1.5.1CPE matchmatch criteria
cpe:2.3:a:mahara:mahara:1.5.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.5MEDIUM

AV:N/AC:L/Au:S/C:N/I:P/A:P

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.26%
Probability of exploitation in next 30 days
EPSS Percentile
66.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0126 is in the 80th percentile among its peer group of 21,974 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

bugs.launchpad.net / mahara/+bug/1233500
mahara.org / interaction/forum/topic.php
openwall.com / lists/oss-security/2013/10/08/3
openwall.com / lists/oss-security/2013/10/15/1
openwall.com / lists/oss-security/2013/10/16/7