CVE-2024-21684: There is a low severity open redirect vulnerability within affected versions of Bitbucket Data Center. Versions of Bitbucket DC from 8.0.0 to 8.9.12 a...

Description

There is a low severity open redirect vulnerability within affected versions of Bitbucket Data Center. Versions of Bitbucket DC from 8.0.0 to 8.9.12 and 8.19.0 to 8.19.1 are affected by this vulnerability. It is patched in 8.9.13 and 8.19.2. This open redirect vulnerability, with a CVSS Score of 3.1 and a CVSS Vector of CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N, allows an unauthenticated attacker to redirect a victim user upon login to Bitbucket Data Center to any arbitrary site which can be utilized for further exploitation which has low impact to confidentiality, no impact to integrity, no impact to availability, and requires user interaction. Atlassian recommends that Bitbucket Data Center customers upgrade to the version. If you are unable to do so, upgrade your instance to one of the supported fixed versions.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

EPSS Probability

0.23%

14.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-601

Affected Software

Vendor	Product	Versions
Atlassian	Bitbucket Data Center	>= 8.0.0, < 8.9.13
Atlassian	Bitbucket Data Center	>= 8.19.0, < 8.19.2

References

https://jira.atlassian.com/browse/BSERV-19454Issue Tracking, Vendor Advisory
https://jira.atlassian.com/browse/BSERV-19454Issue Tracking, Vendor Advisory

Timeline

Published: Jul 24, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-21684?

There is a low severity open redirect vulnerability within affected versions of Bitbucket Data Center. Versions of Bitbucket DC from 8.0.0 to 8.9.12 and 8.19.0 to 8.19.1 are affected by this vulnerability. It is patched in 8.9.13 and 8.19.2. This open redirect vulnerability, with a CVSS Score of 3.1 and a CVSS Vector of CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N, allows an unauthenticated attacker to redirect a victim user upon login to Bitbucket Data Center to any arbitrary site which can be utilized for further exploitation which has low impact to confidentiality, no impact to integrity, no impact to availability, and requires user interaction. Atlassian recommends that Bitbucket Data Center customers upgrade to the version. If you are unable to do so, upgrade your instance to one of the supported fixed versions.

How severe is CVE-2024-21684?

CVE-2024-21684 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2024-21684?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.