Home/CVE/Bitbucket Server and Bitbucket Data Center versions starting from 1.0.0 before 5.16.11, from version 6.0.0 before 6.0.11
CVE

CVE-2019-20097

Bitbucket Server and Bitbucket Data Center versions starting from 1.0.0 before 5.16.11, from version 6.0.0 before 6.0.11

Bitbucket Server and Bitbucket Data Center versions starting from 1.0.0 before 5.16.11, from version 6.0.0 before 6.0.11, from version 6.1.0 before 6.1.9, from version 6.2.0 before 6.2.7, from version 6.3.0 before 6.3.6, from version 6.4.0 before 6.4.4, from version 6.5.0 before 6.5.3, from version 6.6.0 before 6.6.3, from version 6.7.0 before 6.7.3, from version 6.8.0 before 6.8.2, from version 6.9.0 before 6.9.1 had a Remote Code Execution vulnerability via the post-receive hook. A remote attacker with permission to clone and push files to a repository on the victim's Bitbucket Server or Bitbucket Data Center instance, can exploit this vulnerability to execute arbitrary commands on the Bitbucket Server or Bitbucket Data Center systems, using a file with specially crafted content.

HIGH · CVSS 8.8 EPSS 0.02847
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
▤

Affected Products & Versions

11
atlassian bitbucket>= 1.0.0 and < 5.6.11
atlassian bitbucket>= 6.0.0 and < 6.0.11
atlassian bitbucket>= 6.1.0 and < 6.1.9
atlassian bitbucket>= 6.2.0 and < 6.2.7
atlassian bitbucket>= 6.3.0 and < 6.3.6
atlassian bitbucket>= 6.4.0 and < 6.4.4
atlassian bitbucket>= 6.5.0 and < 6.5.3
atlassian bitbucket>= 6.6.0 and < 6.6.3
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productcriticalBitbucket Unauthorized Full Data Export Triggered
productcriticalBitbucket Unauthorized Access To A Resource
producthighBitbucket Full Data Export Triggered
producthighBitbucket Secret Scanning Exempt Repository Added
productmediumBitbucket User Login Failure
productmediumBitbucket User Details Export Attempt Detected
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · security@atlassian.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Jan 2020 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://jira.atlassian.com/browse/BSERV-12099Issue TrackingPatchVendor Advisory
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