Open redirect in Atlassian Bitbucket Data Center
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-601.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Atlassian | Bitbucket Data Center | 8.19.1; 8.9.0 to 8.9.12; 8.8.0 to 8.8.7; 8.7.0 to 8.7.5; 8.6.0 to 8.6.4; 8.5.0 to 8.5.4; 8.4.0 to 8.4.4; 8.3.0 to 8.3.4; 8.2.2 to 8.2.4; 8.1.3 to 8.1.5; 8.0.3 to 8.0.5 | 8.19.2 to 8.19.6, 8.9.13 to 8.9.17 | Patch available | CNA |
- Bitbucket Data Center VendorAtlassian Affected 8.19.1; 8.9.0 to 8.9.12; 8.8.0 to 8.8.7; 8.7.0 to 8.7.5; 8.6.0 to 8.6.4; 8.5.0 to 8.5.4; 8.4.0 to 8.4.4; 8.3.0 to 8.3.4; 8.2.2 to 8.2.4; 8.1.3 to 8.1.5; 8.0.3 to 8.0.5 Fixed in 8.19.2 to 8.19.6, 8.9.13 to 8.9.17 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:atlassian:bitbucket_data_center:*:*:*:*:*:*:*:* | 8.0.0 to before 8.9.13; 8.19.0 to before 8.19.2 | Vulnerable | Atlassian |
- cpe:2.3:a:atlassian:bitbucket_data_center:*:*:*:*:*:*:*:* Versions 8.0.0 to before 8.9.13; 8.19.0 to before 8.19.2 Vulnerable ·Atlassian
Remediation
- Fix · CNA Bitbucket Data Center (Atlassian) Fixed in 8.19.2 to 8.19.6, 8.9.13 to 8.9.17
Timeline
- 2026-10-02 Threatist record created from CVE-2024-21684
- 2026-10-03 Alias added: GHSA-gg9v-4hff-mc2m
References
More Atlassian Bitbucket Data Center vulnerabilities
- TI-2026-67904 Arbitrary file access in Atlassian Data Center products KEVCVSS 4.0CRITICAL 9.3
- TI-2022-09595 Deserialization of untrusted data in Atlassian Bitbucket Data Center CVSS 3.1CRITICAL 9.8
- TI-2023-08755 Code injection in Atlassian Bitbucket Data Center CVSS 3.1HIGH 8.8
Sources
- CVE-2024-21684 · CVE Program
- CVE-2024-21684 · NVD
- FIRST EPSS
- GHSA-gg9v-4hff-mc2m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences