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CVE-2013-1835

13
FAUCET Score

CVE-2013-1835 describes an information disclosure vulnerability in Moodle versions 2.x through 2.1.10, 2.2.x before 2.2.8, 2.3.x before 2.3.5, and 2.4.x before 2.4.2. Authenticated administrators can exploit this flaw by using the "login_as" feature to access sensitive information from other users' external repositories. The vulnerability has a CVSS score of 3.5, indicating a medium attack complexity and partial confidentiality impact, but no integrity or availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.0.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.0.0:*:*:*:*:*:*:*
2.0.1CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.0.1:*:*:*:*:*:*:*
2.0.2CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.0.2:*:*:*:*:*:*:*
2.0.3CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.0.3:*:*:*:*:*:*:*
2.0.4CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.5LOW

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
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
1.48%
Probability of exploitation in next 30 days
EPSS Percentile
71.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0148 is in the 76th percentile among its peer group of 1,638 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, 0.0 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: 2.2.8
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.3.5
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.4.2

Vendor Advisories (1)

composerGHSA-cc94-hwj3-rf65low

Moodle's login_as feature leaks information from external repositories

May 13, 2022

References

git.moodle.org / gw
Patch
lists.fedoraproject.org / pipermail/package-announce/2013-April/101310.html
lists.fedoraproject.org / pipermail/package-announce/2013-April/101358.html
openwall.com / lists/oss-security/2013/03/25/2
moodle.org / mod/forum/discuss.php
Vendor Advisory