CVE-2020-4014 Missing authorization in Crucible

What is CVE-2020-4014?

CVE-2020-4014 is a medium-severity missing authorization vulnerability in Atlassian Crucible, published on 1 Jun 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The /profile/deleteWatch.do resource in Atlassian Fisheye and Crucible before version 4.8.1 allows remote attackers to remove another user's watching settings for a repository via an improper authorization vulnerability.

Which versions are affected by CVE-2020-4014?

It affects 2 products.

Products include Atlassian Crucible, Atlassian Fisheye.

How do I fix CVE-2020-4014?

No fix has been published for CVE-2020-4014 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-4014 being exploited?

There is no known exploitation of CVE-2020-4014 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-5p26-vm69-mjxq.