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CVE-2021-41171

5.9 · MEDIUM

eLabFTW is an open source electronic lab notebook manager for research teams.

Published Oct 22, 2021CWE-307EPSS 1.94%

Overview

CVE-2021-41171 is a medium-severity vulnerability. It was published on October 22, 2021 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

eLabFTW is an open source electronic lab notebook manager for research teams. In versions of eLabFTW before 4.1.0, it allows attackers to bypass a brute-force protection mechanism by using many different forged PHPSESSID values in HTTP Cookie header. This issue has been addressed by implementing brute force login protection, as recommended by Owasp with Device Cookies. This mechanism will not impact users and will effectively thwart any brute-force attempts at guessing passwords. The only correct way to address this is to upgrade to version 4.1.0. Adding rate limitation upstream of the eLabFTW service is of course a valid option, with or without upgrading.

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/commit/8e92afeec4c3a68dc88333881b7e6307f425706bGitHubgithub.com/elabftw/elabftw/releases/tag/4.1.0GitHubgithub.com/elabftw/elabftw/security/advisories/GHSA-q67h-5pc3-g6jvRefowasp.org/www-community/Slow_Down_Online_Guessing_Attacks_with_Device_CookiesRefwww.exploit-db.com/docs/50436GitHubgithub.com/elabftw/elabftw/commit/8e92afeec4c3a68dc88333881b7e6307f425706bGitHubgithub.com/elabftw/elabftw/releases/tag/4.1.0GitHubgithub.com/elabftw/elabftw/security/advisories/GHSA-q67h-5pc3-g6jvRefowasp.org/www-community/Slow_Down_Online_Guessing_Attacks_with_Device_CookiesRefwww.exploit-db.com/docs/50436

How CyberStrike helps

Frequently asked questions

What is CVE-2021-41171?

CVE-2021-41171 is a medium-severity vulnerability. It was published on October 22, 2021 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2021-41171?

This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-41171?

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-2021-41171?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-41171 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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