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CVE-2021-40642

4.3 · MEDIUM

Textpattern CMS v4.8.7 and older vulnerability exists through Sensitive Cookie in HTTPS Session Without 'Secure' Attribute via textpattern/lib/txplib_misc.php.

Published Jun 29, 2022CWE-311EPSS 0.52%

Overview

CVE-2021-40642 is a medium-severity vulnerability. It was published on June 29, 2022 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Textpattern CMS v4.8.7 and older vulnerability exists through Sensitive Cookie in HTTPS Session Without 'Secure' Attribute via textpattern/lib/txplib_misc.php. The secure flag is not set for txp_login session cookie in the application. If the secure flag is not set, then the cookie will be transmitted in clear-text if the user visits any HTTP URLs within the cookie's scope. An attacker may be able to induce this event by feeding a user suitable links, either directly or via another web site.

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/textpattern/textpattern/commit/211fab0093999f59b0b61682aa988ac7d8337aa9Refwww.huntr.dev/bounties/aadbe434-a376-443b-876f-2a1cbab7847b/GitHubgithub.com/textpattern/textpattern/commit/211fab0093999f59b0b61682aa988ac7d8337aa9Refwww.huntr.dev/bounties/aadbe434-a376-443b-876f-2a1cbab7847b/

How CyberStrike helps

Frequently asked questions

What is CVE-2021-40642?

CVE-2021-40642 is a medium-severity vulnerability. It was published on June 29, 2022 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2021-40642?

This vulnerability has a CVSS 3.1 base score of 4.3, 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-2021-40642?

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-2021-40642?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-40642 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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