CVE-2021-43958

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.28% Top 25%
Vendor Advisory atlassian.com Vendor Advisory atlassian.com
Affected: Atlassian Fisheye
Affected: Atlassian Crucible
Published at:
Updated at:

References

Link Tags
https://jira.atlassian.com/browse/FE-7387 issue tracking vendor advisory
https://jira.atlassian.com/browse/CRUC-8523 issue tracking vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-43958?
CVE-2021-43958 has been scored as a critical severity vulnerability.
How to fix CVE-2021-43958?
To fix CVE-2021-43958, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-43958 being actively exploited in the wild?
It is possible that CVE-2021-43958 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-43958?
CVE-2021-43958 affects Atlassian Fisheye, Atlassian Crucible.
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