CVE-2021-21329 is a critical authentication bypass vulnerability affecting the RATCF open-source framework, which is used for hosting Capture the Flag events. This flaw allows users with multi-factor authentication (MFA) enabled to log in without providing a valid MFA token. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation, public exploit code, or inclusion in CISA's KEV catalog, the vulnerability has garnered significant community discussion, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2021-02-26CPE matchmatch criteria | cpe:2.3:a:ratcf:ratcf:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.