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Vulnerability details: VCID-qq9m-tv34-fubz
Vulnerability ID VCID-qq9m-tv34-fubz
Aliases CVE-2023-5549
GHSA-fm5h-58g2-4m3f
Summary Moodle Improper Access Control vulnerability Insufficient web service capability checks made it possible to move categories a user had permission to manage, to a parent category they did not have the capability to manage.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-269 Improper Privilege Management
CWE-284 Improper Access Control
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 3.3 http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-66730
cvssv3.1 5.3 http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-66730
generic_textual MODERATE http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-66730
ssvc Track http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-66730
epss 0.00256 https://api.first.org/data/v1/epss?cve=CVE-2023-5549
epss 0.00256 https://api.first.org/data/v1/epss?cve=CVE-2023-5549
cvssv3.1 3.3 https://bugzilla.redhat.com/show_bug.cgi?id=2243451
cvssv3.1 5.3 https://bugzilla.redhat.com/show_bug.cgi?id=2243451
generic_textual MODERATE https://bugzilla.redhat.com/show_bug.cgi?id=2243451
ssvc Track https://bugzilla.redhat.com/show_bug.cgi?id=2243451
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-fm5h-58g2-4m3f
cvssv3.1 5.3 https://github.com/moodle/moodle
generic_textual MODERATE https://github.com/moodle/moodle
cvssv3.1 5.3 https://github.com/moodle/moodle/commit/5a765e124c950b1e4313c9bf96ea2dd194f65c75
generic_textual MODERATE https://github.com/moodle/moodle/commit/5a765e124c950b1e4313c9bf96ea2dd194f65c75
cvssv3.1 3.3 https://moodle.org/mod/forum/discuss.php?d=451590
cvssv3.1 5.3 https://moodle.org/mod/forum/discuss.php?d=451590
generic_textual MODERATE https://moodle.org/mod/forum/discuss.php?d=451590
ssvc Track https://moodle.org/mod/forum/discuss.php?d=451590
cvssv3.1 5.3 https://nvd.nist.gov/vuln/detail/CVE-2023-5549
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2023-5549
Reference id Reference type URL
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-66730
https://api.first.org/data/v1/epss?cve=CVE-2023-5549
https://bugzilla.redhat.com/show_bug.cgi?id=2243451
https://github.com/moodle/moodle
https://github.com/moodle/moodle/commit/5a765e124c950b1e4313c9bf96ea2dd194f65c75
https://moodle.org/mod/forum/discuss.php?d=451590
https://nvd.nist.gov/vuln/detail/CVE-2023-5549
GHSA-fm5h-58g2-4m3f https://github.com/advisories/GHSA-fm5h-58g2-4m3f
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Found at http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-66730
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-66730
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-19T18:16:10Z/ Found at http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-66730
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Found at https://bugzilla.redhat.com/show_bug.cgi?id=2243451
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://bugzilla.redhat.com/show_bug.cgi?id=2243451
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-19T18:16:10Z/ Found at https://bugzilla.redhat.com/show_bug.cgi?id=2243451
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/moodle/moodle
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/moodle/moodle/commit/5a765e124c950b1e4313c9bf96ea2dd194f65c75
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Found at https://moodle.org/mod/forum/discuss.php?d=451590
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://moodle.org/mod/forum/discuss.php?d=451590
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-19T18:16:10Z/ Found at https://moodle.org/mod/forum/discuss.php?d=451590
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2023-5549
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.48856
EPSS Score 0.00256
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:15:29.751577+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/11/GHSA-fm5h-58g2-4m3f/GHSA-fm5h-58g2-4m3f.json 36.1.3