CVE-2019-20097
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 2.5% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 2.5% in the next 30 days (EPSS).
- Severity: 8.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 2.5% · EPSS, next 30 days
- Record status
- Modified
Affected
- Atlassian Bitbucket < 5.6.11
- Atlassian Bitbucket < 6.0.11
- Atlassian Bitbucket < 6.1.9
- Atlassian Bitbucket < 6.2.7
- Atlassian Bitbucket < 6.3.6
- Atlassian Bitbucket < 6.4.4
- Atlassian Bitbucket < 6.5.3
- Atlassian Bitbucket < 6.6.3
Attack profile CVSS 3.1 · 8.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2019-20097.md and follow it. Check whether this project is affected by CVE-2019-20097. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
