CVE-2021-40143
8.2 · HIGHOverview
CVE-2021-40143 is a high-severity vulnerability affecting sonatype nexus_repository_manager_3. It was published on September 7, 2021 and has a CVSS 3.1 base score of 8.2 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Sonatype Nexus Repository 3.x through 3.33.1-01 is vulnerable to an HTTP header injection. By sending a crafted HTTP request, a remote attacker may disclose sensitive information or request external resources from a vulnerable instance.
Remediation
Check the references section for vendor advisories and patches from sonatype. Update nexus_repository_manager_3 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 |
|---|---|---|---|
| sonatype | nexus_repository_manager_3 | >= 3.0.0, < 3.34.0 | Affected |
Frequently Asked Questions
What is CVE-2021-40143?
CVE-2021-40143 is a high-severity vulnerability affecting sonatype nexus_repository_manager_3. It was published on September 7, 2021 and has a CVSS 3.1 base score of 8.2 (HIGH).
How severe is CVE-2021-40143?
This vulnerability has a CVSS 3.1 base score of 8.2, 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-2021-40143?
Check the references section for vendor advisories and patches from sonatype. Update nexus_repository_manager_3 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-2021-40143?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-40143 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.
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