CVE-2024-38277

moodle: QR login key and auto-login key for the Moodle mobile app should be generated as separate keys

5.4 MediumFix available

A unique key should be generated for a user's QR login key and their auto-login key, so the same key cannot be used interchangeably between the two.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.24%Up 0.2 points since Jun 19, 2024

What each source reports

CVE List Score used 5.4

moodle: QR login key and auto-login key for the Moodle mobile app should be generated as separate keys

A unique key should be generated for a user's QR login key and their auto-login key, so the same key cannot be used interchangeably between the two.

Record: CVE-2024-38277
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-324, CWE-326
Updated: 2026-11-02

EUVDEUVD-2024-2156 5.4

A unique key should be generated for a user's QR login key and their auto-login key, so the same key cannot be used interchangeably between the two.

Record: EUVD-2024-2156
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-r82w-3phg-qvr4 6.9

Moodle uses the same key for QR login and auto-login

A unique key should be generated for a user's QR login key and their auto-login key, so the same key cannot be used interchangeably between the two.

Record: GHSA-r82w-3phg-qvr4
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-324, CWE-326
Updated: 2026-11-02

NVD 5.4

A unique key should be generated for a user's QR login key and their auto-login key, so the same key cannot be used interchangeably between the two.

Record: CVE-2024-38277
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-324, CWE-326
Updated: 2026-11-02

OSV 5.4

moodle: QR login key and auto-login key for the Moodle mobile app should be generated as separate keys

A unique key should be generated for a user's QR login key and their auto-login key, so the same key cannot be used interchangeably between the two.

Record: CVE-2024-38277
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-324
Updated: 2026-11-02

OSVGHSA-r82w-3phg-qvr4 6.9

Moodle uses the same key for QR login and auto-login

A unique key should be generated for a user's QR login key and their auto-login key, so the same key cannot be used interchangeably between the two.

Record: GHSA-r82w-3phg-qvr4
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-324, CWE-326
Updated: 2026-11-02

OSVBIT-moodle-2024-38277 No score

moodle: QR login key and auto-login key for the Moodle mobile app should be generated as separate keys

A unique key should be generated for a user's QR login key and their auto-login key, so the same key cannot be used interchangeably between the two.

Record: BIT-moodle-2024-38277
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`moodle/moodle` Packagist	4.4.0-beta up to 4.4.1	4.4.1
`moodle/moodle` Packagist	4.3.0-beta up to 4.3.5	4.3.5
`moodle/moodle` Packagist	4.2.0-beta up to 4.2.8	4.2.8
`moodle/moodle` Packagist	before 4.1.11	4.1.11
`moodle` Bitnami	4.1.0 up to 4.1.11, 4.2.0 up to 4.2.8, 4.3.0 up to 4.3.5, 4.4.0 up to 4.4.1	4.1.114.2.84.3.54.4.1
`moodle/moodle` Packagist	4.4.0-beta up to 4.4.1, plus listed versions v4.4.0v4.4.0-betav4.4.0-rc1v4.4.0-rc2	4.4.1
`moodle/moodle` Packagist	4.3.0-beta up to 4.3.5, plus listed versions v4.3.0v4.3.0-betav4.3.0-rc1v4.3.0-rc2v4.3.1v4.3.2v4.3.3v4.3.4	4.3.5
`moodle/moodle` Packagist	4.2.0-beta up to 4.2.8, plus listed versions v4.2.0v4.2.0-betav4.2.0-rc1v4.2.0-rc2v4.2.1 Show 6 moreShow less v4.2.2v4.2.3v4.2.4v4.2.5v4.2.6v4.2.7	4.2.8
`moodle/moodle` Packagist	before 4.1.11, plus listed versions v2.3.10v2.3.11v2.3.4v2.3.5v2.3.6 Show 45 moreShow less v2.3.7v2.3.8v2.3.9v2.4.0v2.4.0-rc1v2.4.1v2.4.10v2.4.11v2.4.2v2.4.3v2.4.4v2.4.5v2.4.6v2.4.7v2.4.8v2.4.9v2.5.0v2.5.0-betav2.5.0-rc1v2.5.1v2.5.2v2.5.3v2.5.4v2.5.5v2.5.6v2.5.7v2.5.8v2.5.9v2.6.0v2.6.0-betav2.6.0-rc1v2.6.1v2.6.10v2.6.11v2.6.2v2.6.3v2.6.4v2.6.5v2.6.6v2.6.7v2.6.8v2.6.9v2.7.0v2.7.0-betav2.7.0-rc1	4.1.11

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-38277 is a medium vulnerability (CVSS 5.4) in Moodle, published June 18, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 15th percentile. Fixed in moodle/moodle 4.4.1.

References

Show 5 moreShow less

This page doesn't list everything

Left out here: 293 versions. The JSON record has them.