CVE-2021-46900
7.5 · HIGHOverview
CVE-2021-46900 is a high-severity vulnerability affecting sympa sympa. It was published on December 31, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Sympa before 6.2.62 relies on a cookie parameter for certain security objectives, but does not ensure that this parameter exists and has an unpredictable value. Specifically, the cookie parameter is both a salt for stored passwords and an XSS protection mechanism.
Remediation
Check the references section for vendor advisories and patches from sympa. Update sympa to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| sympa | sympa | >= 0, < 6.2.62 | Affected |
References
Frequently Asked Questions
What is CVE-2021-46900?
CVE-2021-46900 is a high-severity vulnerability affecting sympa sympa. It was published on December 31, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2021-46900?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-46900?
Check the references section for vendor advisories and patches from sympa. Update sympa to the latest patched version. 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-2021-46900?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-46900 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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