CVE-2023-22513: atlassian bitbucket_data_center Improper Control of Generation of Code

Vulnerability summary

CVE-2023-22513 is a high (CVSS 8.8) Improper Control of Generation of Code vulnerability in atlassian bitbucket_data_center. EPSS estimates a 15.28% chance of exploitation in the next 30 days, higher than 96.7% of scored vulnerabilities. Fixed in 8.9.5, 8.10.5, 8.11.4, 8.12.2, 8.13.1, 8.14.0.

Timeline

1. 19-09-2023
   PublishedVulnerability first disclosed.
2. 06-03-2025
   Last modifiedVulnerability information updated.

Description

This High severity RCE (Remote Code Execution) vulnerability was introduced in version 8.0.0 of Bitbucket Data Center and Server. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 8.5, allows an authenticated attacker to execute arbitrary code which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires no user interaction. Atlassian recommends that Bitbucket Data Center and Server customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Bitbucket Data Center and Server 8.9: Upgrade to a release greater than or equal to 8.9.5 Bitbucket Data Center and Server 8.10: Upgrade to a release greater than or equal to 8.10.5 Bitbucket Data Center and Server 8.11: Upgrade to a release greater than or equal to 8.11.4 Bitbucket Data Center and Server 8.12: Upgrade to a release greater than or equal to 8.12.2 Bitbucket Data Center and Server 8.13: Upgrade to a release greater than or equal to 8.13.1 Bitbucket Data Center and Server 8.14: Upgrade to a release greater than or equal to 8.14.0 Bitbucket Data Center and Server version >= 8.0 and < 8.9: Upgrade to any of the listed fix versions. See the release notes (https://confluence.atlassian.com/bitbucketserver/release-notes). You can download the latest version of Bitbucket Data Center and Server from the download center (https://www.atlassian.com/software/bitbucket/download-archives). This vulnerability was discovered by a private user and reported via our Bug Bounty program

• CWE-94Improper Control of Generation of CodeThe product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.