CVE-2021-43958
9.8 · CRITICALOverview
CVE-2021-43958 is a critical-severity vulnerability affecting atlassian crucible. It was published on March 16, 2022 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Various rest resources in Fisheye and Crucible before version 4.8.9 allowed remote attackers to brute force user login credentials as rest resources did not check if users were beyond their max failed login limits and therefore required solving a CAPTCHA in addition to providing user credentials for authentication via a improper restriction of excess authentication attempts vulnerability.
Remediation
Check the references section for vendor advisories and patches from atlassian. Update crucible 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 |
|---|---|---|---|
| atlassian | crucible | >= 0, < 4.8.9 | Affected |
| atlassian | fisheye | >= 0, < 4.8.9 | Affected |
Frequently Asked Questions
What is CVE-2021-43958?
CVE-2021-43958 is a critical-severity vulnerability affecting atlassian crucible. It was published on March 16, 2022 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2021-43958?
This vulnerability has a CVSS 3.1 base score of 9.8, 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-2021-43958?
Check the references section for vendor advisories and patches from atlassian. Update crucible 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-2021-43958?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-43958 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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