CVE-2021-29437 describes a critical vulnerability in ScratchOAuth2, an OAuth implementation for Scratch, affecting the scratchoauth2_project and scratchoauth2 products. This flaw allows a third party to gain full access to a user's Scratch account by tricking them into posting a login code on their profile, effectively bypassing standard authentication. Rated 6.8 MEDIUM on CVSS, the attack requires user interaction (UI:R) and high attack complexity (AC:H), but grants complete confidentiality (C:H) and integrity (I:H) compromise. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2021-04-13CPE matchmatch criteria | cpe:2.3:a:scratchoauth2_project:scratchoauth2:*:*:*:*:*:scratch:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
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The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.