CVE-2021-43834 is a critical authentication bypass vulnerability in eLabFTW versions prior to 4.2.0, allowing attackers to impersonate existing users if single sign-on (LDAP or SAML) is enabled. With a CVSS score of 9.8, it presents a high risk due to its network-based attack vector, low complexity, and potential for complete compromise of confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, the vulnerability remains a severe threat to affected eLabFTW instances.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.2.0CPE matchmatch criteria | cpe:2.3:a:elabftw:elabftw:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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.
Remediation records are not available for this CVE.