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Fencer Vulns
medium 6.5

CVE-2023-5550 json

Moodle: rce due to lfi risk in some misconfigured shared hosting environments

published 2023-11-09 2 y ago modified 2026-09-08 2 mo ago also BIT-moodle-2023-5550 , EUVD-2023-2887 , GHSA-5cvx-cwpx-9rjh

cvss
6.5
version 3.1, CNA
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

In a shared hosting environment that has been misconfigured to allow access to other users' content, a Moodle user who also has direct access to the web server outside of the Moodle webroot could utilise a local file include to achieve remote code execution.

Patch / fix

  • packagist moodle/moodle 3.9.24, 3.11.17, 4.0.11, 4.1.6, 4.2.3, 4.3.0-rc2
  • bitnami moodle 3.9.24, 3.11.17, 4.0.11, 4.1.6, 4.2.3
  • moodle moodle 3.9.24, 3.11.17, 4.0.11, 4.1.6, 4.2.3

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-2023-5550 updated cvss 6.5

moodle: RCE due to LFI risk in some misconfigured shared hosting environments

  • 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

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

1.62% 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
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
OSV 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
packagist moodle/moodle
>=4.3.0-beta, <4.3.0-rc2
>=4.2.0, <4.2.3
>=4.1.0, <4.1.6
>=4.0.0, <4.0.11
>=3.10.0, <3.11.17
<3.9.24
4.3.0-rc2
4.2.3
4.1.6
4.0.11
3.11.17
3.9.24
bitnami moodle
<3.9.24
>=3.11.0, <3.11.17
>=4.0.0, <4.0.11
>=4.1.0, <4.1.6
>=4.2.0, <4.2.3
3.9.24
3.11.17
4.0.11
4.1.6
4.2.3

Affected products

  • moodle moodle

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

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.