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CVE-2021-43834

9.1 · CRITICAL

eLabFTW is an electronic lab notebook manager for research teams.

Published Dec 16, 2021CWE-287EPSS 1.01%

Overview

CVE-2021-43834 is a critical-severity vulnerability. It was published on December 16, 2021 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

eLabFTW is an electronic lab notebook manager for research teams. In versions prior to 4.2.0 there is a vulnerability which allows an attacker to authenticate as an existing user, if that user was created using a single sign-on authentication option such as LDAP or SAML. It impacts instances where LDAP or SAML is used for authentication instead of the (default) local password mechanism. Users should upgrade to at least version 4.2.0.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/elabftw/elabftw/releases/tag/4.2.0GitHubgithub.com/elabftw/elabftw/security/advisories/GHSA-98rp-gx76-33phGitHubgithub.com/elabftw/elabftw/releases/tag/4.2.0GitHubgithub.com/elabftw/elabftw/security/advisories/GHSA-98rp-gx76-33ph

How CyberStrike helps

Frequently asked questions

What is CVE-2021-43834?

CVE-2021-43834 is a critical-severity vulnerability. It was published on December 16, 2021 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2021-43834?

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-43834?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-43834?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-43834 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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