What is CVE-2021-46249?

CVE-2021-46249 is a medium-severity vulnerability in Scratchoauth2 Project, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2022-02-15.

How severe is CVE-2021-46249?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Scratchoauth2 Project

CVE-2021-46249

An authorization bypass exploited by a user-controlled key in SpecificApps REST API in ScratchOAuth2 before commit d856dc704b2504cd3b92cf089fdd366dd40775d6 allows app owners to set flags that indicate whether an app is verified on their own apps.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2022-02-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.9th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Scratchoauth2 Project

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

github.com/ScratchVerifier/ScratchOAuth2/commit/d856dc704b2504cd3b92cf089fdd366… (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-46249?: CVE-2021-46249 is a medium-severity vulnerability in Scratchoauth2 Project, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2022-02-15.
How severe is CVE-2021-46249?: Medium severity. CVSS v3 base score is 6.5 out of 10.