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Fencer Intel
medium 4.0

CVE-2013-1834 json

Moodle allows remote authenticated users to reassign notes

published 13y ago modified 4mo ago also GHSA-prrh-679x-79qh , EUVD-2022-4822

cvss
4.0
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 76%
public exploits
0
none known

Summary

notes/edit.php in Moodle 1.9.x through 1.9.19, 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 users to reassign notes via a modified (1) userid or (2) courseid field.

Patch / fix

  • packagist moodle/moodle 2.2.8, 2.3.5, 2.4.2

Is CVE-2013-1834 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-2013-1834 updated cvss 4.0

moodle: Form manipulation issue in notes (MSA-13-0017)

  • 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

1.66% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:P/A:N

Affected packages

ecosystem package affected fixed in
packagist moodle/moodle
>=1.9.0, <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-264 Permissions, Privileges, and Access Controls
  • CWE-284 Improper Access Control

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.