Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2015-5264

16
FAUCET Score

CVE-2015-5264 describes an access restriction bypass vulnerability within the lesson module of Moodle versions through 2.6.11, 2.7.x before 2.7.10, 2.8.x before 2.8.8, and 2.9.x before 2.9.2. This flaw allows remote authenticated users, specifically those with a student role, to submit additional answer attempts beyond what is intended. It carries a CVSS score of 5.4 (Medium), indicating a low attack complexity and requiring only low privileges, with potential impacts on confidentiality and integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.6.11CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
2.7.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.7.0:*:*:*:*:*:*:*
2.7.1CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.7.1:*:*:*:*:*:*:*
2.7.2CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.7.2:*:*:*:*:*:*:*
2.7.3CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.7.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.4MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.5
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.40%
Probability of exploitation in next 30 days
EPSS Percentile
69.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0140 is in the 83rd 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

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.7.10
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.8.8
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.9.2

Vendor Advisories (1)

composerGHSA-mm9q-3847-m48xmedium

Moodle allows attackers to enter additional answer attempts

May 13, 2022

References

git.moodle.org / gw
moodle.org / mod/forum/discuss.php
Vendor Advisory
openwall.com / lists/oss-security/2015/09/21/1
securitytracker.com / id/1033619