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CVE-2015-3179

16
FAUCET Score

CVE-2015-3179 describes a vulnerability in Moodle versions through 2.5.9, 2.6.x before 2.6.11, 2.7.x before 2.7.8, and 2.8.x before 2.8.6. This flaw allows authenticated users to bypass login restrictions by exploiting access to an unconfirmed, suspended account. The vulnerability has a CVSS score of 3.5, indicating a low severity, with an attack vector over the network, medium attack complexity, and a potential impact of partial integrity loss. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.5.9CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
2.5.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.5.0:*:*:*:*:*:*:*
2.5.1CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.5.1:*:*:*:*:*:*:*
2.5.2CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.5.2:*:*:*:*:*:*:*
2.5.3CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.5.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.5LOW

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
6.8
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.54%
Probability of exploitation in next 30 days
EPSS Percentile
72.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0154 is in the 78th percentile among its peer group of 1,638 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.6.11
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.7.8
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.8.6

Vendor Advisories (1)

composerGHSA-4ppg-2mx6-fqx9low

Moodle allows attackers to bypass intended login restrictions

May 13, 2022

References

git.moodle.org / gw
openwall.com / lists/oss-security/2015/05/18/1
moodle.org / mod/forum/discuss.php
Vendor Advisory
securityfocus.com / bid/74725
securitytracker.com / id/1032358