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Vulnerability details: VCID-3fc6-x9ed-nuex
Vulnerability ID VCID-3fc6-x9ed-nuex
Aliases CVE-2025-3645
GHSA-pj96-xh2w-fgqx
Summary Moodle has an IDOR in messaging web service which allows access to some user details A flaw was found in Moodle. Insufficient capability checks in a messaging web service allowed users to view other users' names and online statuses.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-863 Incorrect Authorization
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 4.3 https://access.redhat.com/security/cve/CVE-2025-3645
generic_textual MODERATE https://access.redhat.com/security/cve/CVE-2025-3645
ssvc Track https://access.redhat.com/security/cve/CVE-2025-3645
epss 0.00031 https://api.first.org/data/v1/epss?cve=CVE-2025-3645
epss 0.00037 https://api.first.org/data/v1/epss?cve=CVE-2025-3645
cvssv3.1 4.3 https://bugzilla.redhat.com/show_bug.cgi?id=2359761
generic_textual MODERATE https://bugzilla.redhat.com/show_bug.cgi?id=2359761
ssvc Track https://bugzilla.redhat.com/show_bug.cgi?id=2359761
cvssv3.1 4.3 https://github.com/moodle/moodle
generic_textual MODERATE https://github.com/moodle/moodle
cvssv3.1 4.3 https://github.com/moodle/moodle/commit/2fd810c8981f9b10087467a3b8fce779b157200f
generic_textual MODERATE https://github.com/moodle/moodle/commit/2fd810c8981f9b10087467a3b8fce779b157200f
cvssv3.1 4.3 https://github.com/moodle/moodle/commit/a8179842b450659c288f284e06361a4fbab8742a
generic_textual MODERATE https://github.com/moodle/moodle/commit/a8179842b450659c288f284e06361a4fbab8742a
cvssv3.1 4.3 https://github.com/moodle/moodle/commit/bb65effe41524d8373c1dc499c3323ac469ea558
generic_textual MODERATE https://github.com/moodle/moodle/commit/bb65effe41524d8373c1dc499c3323ac469ea558
cvssv3.1 4.3 https://github.com/search?q=repo%3Amoodle%2Fmoodle+MDL-72704&type=commits
generic_textual MODERATE https://github.com/search?q=repo%3Amoodle%2Fmoodle+MDL-72704&type=commits
cvssv3.1 4.3 https://moodle.org/mod/forum/discuss.php?d=467606
generic_textual MODERATE https://moodle.org/mod/forum/discuss.php?d=467606
ssvc Track https://moodle.org/mod/forum/discuss.php?d=467606
cvssv3.1 4.3 https://nvd.nist.gov/vuln/detail/CVE-2025-3645
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2025-3645
Reference id Reference type URL
https://access.redhat.com/security/cve/CVE-2025-3645
https://api.first.org/data/v1/epss?cve=CVE-2025-3645
https://bugzilla.redhat.com/show_bug.cgi?id=2359761
https://github.com/moodle/moodle
https://github.com/moodle/moodle/commit/2fd810c8981f9b10087467a3b8fce779b157200f
https://github.com/moodle/moodle/commit/a8179842b450659c288f284e06361a4fbab8742a
https://github.com/moodle/moodle/commit/bb65effe41524d8373c1dc499c3323ac469ea558
https://github.com/search?q=repo%3Amoodle%2Fmoodle+MDL-72704&type=commits
https://moodle.org/mod/forum/discuss.php?d=467606
https://nvd.nist.gov/vuln/detail/CVE-2025-3645
GHSA-pj96-xh2w-fgqx https://github.com/advisories/GHSA-pj96-xh2w-fgqx
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://access.redhat.com/security/cve/CVE-2025-3645
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/2025-04-25T15:42:48Z/ Found at https://access.redhat.com/security/cve/CVE-2025-3645
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://bugzilla.redhat.com/show_bug.cgi?id=2359761
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/2025-04-25T15:42:48Z/ Found at https://bugzilla.redhat.com/show_bug.cgi?id=2359761
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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:L/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/moodle/moodle/commit/2fd810c8981f9b10087467a3b8fce779b157200f
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:L/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/moodle/moodle/commit/a8179842b450659c288f284e06361a4fbab8742a
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:L/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/moodle/moodle/commit/bb65effe41524d8373c1dc499c3323ac469ea558
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:L/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/search?q=repo%3Amoodle%2Fmoodle+MDL-72704&type=commits
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:L/UI:N/S:U/C:L/I:N/A:N Found at https://moodle.org/mod/forum/discuss.php?d=467606
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/2025-04-25T15:42:48Z/ Found at https://moodle.org/mod/forum/discuss.php?d=467606
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2025-3645
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 0.07301
EPSS Score 0.00031
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:12:03.440803+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-pj96-xh2w-fgqx/GHSA-pj96-xh2w-fgqx.json 36.1.3