CVE-2020-14190 Denial of service in Crucible

What is CVE-2020-14190?

CVE-2020-14190 is a high-severity denial of service vulnerability in Atlassian Crucible, published on 25 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Affected versions of Atlassian Fisheye/Crucible allow remote attackers to achieve Regex Denial of Service via user-supplied regex in EyeQL. The affected versions are before version 4.8.4.

Weakness: CWE-400

Which versions are affected by CVE-2020-14190?

It affects 2 products.

Products include Atlassian Crucible, Atlassian Fisheye.

How do I fix CVE-2020-14190?

No fix has been published for CVE-2020-14190 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-14190 being exploited?

There is no known exploitation of CVE-2020-14190 in the wild and no public exploit code.

Other vulnerabilities in Atlassian Crucible

• CVE-2021-43958 Security feature bypass in Crucible Critical 9.8
• CVE-2017-16861 Code injection in Fisheye and Crucible Critical 9.8
• CVE-2017-14591 Command injection in Fisheye and Crucible Critical 9.0
• CVE-2020-4018 Cross-site request forgery in Crucible High 8.8
• CVE-2018-13399 Privilege escalation in Fisheye and Crucible High 7.8

All Atlassian Crucible vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-9246-2mcc-pf87.