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Fencer Intel
low 3.5

CVE-2013-1835 json

Moodle's login_as feature leaks information from external repositories

published 13y ago modified 4mo ago also GHSA-cc94-hwj3-rf65 , EUVD-2022-3557

cvss
3.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

Moodle 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 allows remote authenticated administrators to obtain sensitive information from the external repositories of arbitrary users by leveraging the login_as feature.

Patch / fix

  • packagist moodle/moodle 2.2.8, 2.3.5, 2.4.2

Is CVE-2013-1835 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2013-1835 updated cvss 3.3

moodle: Personal information leak through repositories (MSA-13-0018)

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.71% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:P/I:N/A:N

Affected packages

ecosystem package affected fixed in
packagist moodle/moodle
>=2.0.0, <2.2.8
>=2.3.0, <2.3.5
>=2.4.0, <2.4.2
2.2.8
2.3.5
2.4.2

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.