CVE-2024-38371: authentik Access Control Flaw — Fix

Description

authentik is an open-source Identity Provider. Access restrictions assigned to an application were not checked when using the OAuth2 Device code flow. This could potentially allow users without the correct authorization to get OAuth tokens for an application and access it. This issue has been patched in version(s) 2024.6.0, 2024.2.4 and 2024.4.3.

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CVSS v3.1 Score

8.6

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Weakness Type (CWE)

CWE-284 CWE-284

CWE-285 CWE-285

Affected Products

Vendor	Product	Versions
goauthentik	authentik	< 2024.2.4
goauthentik	authentik	2024.4.0 — 2024.4.3

References

Advisories & Patches

https://github.com/goauthentik/authentik/security/advisories/GHSA-jq3m-37m7-gp45 https://github.com/goauthentik/authentik/security/advisories/GHSA-jq3m-37m7-gp45

Other References

https://github.com/goauthentik/authentik/releases/tag/version%2F2024.2.4 https://github.com/goauthentik/authentik/releases/tag/version%2F2024.4.3 https://github.com/goauthentik/authentik/releases/tag/version%2F2024.6.0 https://github.com/goauthentik/authentik/releases/tag/version%2F2024.2.4 https://github.com/goauthentik/authentik/releases/tag/version%2F2024.4.3 https://github.com/goauthentik/authentik/releases/tag/version%2F2024.6.0

Frequently Asked Questions

What is CVE-2024-38371? +

authentik is an open-source Identity Provider. Access restrictions assigned to an application were not checked when using the OAuth2 Device code flow. This could potentially allow users without the correct authorization to get OAuth tokens for an application and access it. This issue has been patched in version(s) 2024.6.0, 2024.2.4 and 2024.4.3. It has a CVSS v3.1 base score of 8.6 (HIGH).

How severe is CVE-2024-38371? +

CVE-2024-38371 has a CVSS v3.1 score of 8.6 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-38371? +

CVE-2024-38371 affects products from goauthentik, specifically: authentik. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-38371? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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