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Vulnerability details: VCID-fj5n-a4vh-eyfb
Vulnerability ID VCID-fj5n-a4vh-eyfb
Aliases CVE-2024-45691
GHSA-xfv7-h2qg-rjm7
Summary Moodle Lesson activity password bypass through PHP loose comparison A flaw was found in Moodle. When restricting access to a lesson activity with a password, certain passwords could be bypassed or less secure due to a loose comparison in the password-checking logic. This issue only affected passwords set to "magic hash" values.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-285 Improper Authorization
CWE-289 Authentication Bypass by Alternate Name
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
epss 0.00049 https://api.first.org/data/v1/epss?cve=CVE-2024-45691
epss 0.00049 https://api.first.org/data/v1/epss?cve=CVE-2024-45691
cvssv3.1 5.4 https://bugzilla.redhat.com/show_bug.cgi?id=2309940
generic_textual MODERATE https://bugzilla.redhat.com/show_bug.cgi?id=2309940
ssvc Track https://bugzilla.redhat.com/show_bug.cgi?id=2309940
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-xfv7-h2qg-rjm7
cvssv3.1 5.4 https://github.com/moodle/moodle
generic_textual MODERATE https://github.com/moodle/moodle
cvssv3.1 5.4 https://github.com/moodle/moodle/commit/3fc1073d304f660d2552b591c5fb92547ed01e92
generic_textual MODERATE https://github.com/moodle/moodle/commit/3fc1073d304f660d2552b591c5fb92547ed01e92
cvssv3.1 5.4 https://moodle.org/mod/forum/discuss.php?d=461897#p1854494
generic_textual MODERATE https://moodle.org/mod/forum/discuss.php?d=461897#p1854494
cvssv3.1 5.4 https://moodle.org/security
generic_textual MODERATE https://moodle.org/security
cvssv3.1 5.4 https://moodle.org/security/
ssvc Track https://moodle.org/security/
cvssv3.1 5.4 https://nvd.nist.gov/vuln/detail/CVE-2024-45691
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2024-45691
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2024-45691
https://bugzilla.redhat.com/show_bug.cgi?id=2309940
https://github.com/moodle/moodle
https://github.com/moodle/moodle/commit/3fc1073d304f660d2552b591c5fb92547ed01e92
https://moodle.org/mod/forum/discuss.php?d=461897#p1854494
https://moodle.org/security
https://nvd.nist.gov/vuln/detail/CVE-2024-45691
GHSA-xfv7-h2qg-rjm7 https://github.com/advisories/GHSA-xfv7-h2qg-rjm7
security https://moodle.org/security/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Found at https://bugzilla.redhat.com/show_bug.cgi?id=2309940
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/2024-11-20T19:17:16Z/ Found at https://bugzilla.redhat.com/show_bug.cgi?id=2309940
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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:L/UI:N/S:U/C:L/I:L/A:N Found at https://github.com/moodle/moodle/commit/3fc1073d304f660d2552b591c5fb92547ed01e92
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:L/A:N Found at https://moodle.org/mod/forum/discuss.php?d=461897#p1854494
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:L/A:N Found at https://moodle.org/security
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:L/A:N Found at https://moodle.org/security/
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/2024-11-20T19:17:16Z/ Found at https://moodle.org/security/
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2024-45691
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 0.15184
EPSS Score 0.00049
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:10:35.870846+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/11/GHSA-xfv7-h2qg-rjm7/GHSA-xfv7-h2qg-rjm7.json 36.1.3