CVE-2021-46249 json
An authorization bypass exploited by a user-controlled key in SpecificApps REST API in ScratchOAuth2 before commit d856dc704b2504cd3b92cf08…
published 2022-02-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-32949
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- scratchoauth2_project scratchoauth2 2021-04-12
Exploit prediction
0.64% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AC:L/AV:N/A:N/C:N/I:H/PR:L/S:U/UI:N |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-639 Authorization Bypass Through User-Controlled Key
References
-
github.com
/ScratchVerifier/ScratchOAuth2/commit/d856dc704b2504cd3b92cf089fdd366dd40775d6
patch, third-party-advisory
Sources
- CVE List CVE-2021-46249
- NVD CVE-2021-46249
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.