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Fencer Vulns
medium 4.3

CVE-2016-2155 json

Moodle allows attackers to modify "Exclude grade" settings

published 2016-05-22 10 y ago modified 2026-06-17 4 mo ago also GHSA-32hg-73hp-vwc8 , EUVD-2022-2083

cvss
4.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

The grade-reporting feature in Singleview (aka Single View) in Moodle 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 does not consider the moodle/grade:manage capability, which allows remote authenticated users to modify "Exclude grade" settings by leveraging the Non-Editing Instructor role.

Patch / fix

  • packagist moodle/moodle 2.8.11, 2.9.5, 3.0.3
  • moodle Ubuntu 18.04 LTS, Ubuntu 16.04 LTS 3.0.3+dfsg-0ubuntu1

ubuntu advisories UBUNTU-CVE-2016-2155

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

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-2016-2155 updated

moodle: multiple security issues fixed in 3.0.3, 2.9.5, 2.8.11, 2.7.13

  • 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

1.61% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 4.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:P/A:N
GitHub 3.0 4.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist moodle/moodle
>=2.8.0, <2.8.11
>=2.9.0, <2.9.5
>=3.0.0, <3.0.3
2.8.11
2.9.5
3.0.3

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Vulns 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.