No exploitation reportedFix available

CVE-2023-22513

Q: Is CVE-2023-22513 actively exploited?

Active exploitation of CVE-2023-22513 has not been confirmed. Its EPSS score was 15.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2023-22513?

CVE-2023-22513 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2023-09-19
Fixed in8.12.2 · 8.11.4 · 8.10.5 · 8.9.5
WeaknessCWE-94

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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

Timeline

dates in UTC

2023-09-1917:15CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-22513?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-22513?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Atlassian bitbucket data center

Branch	Affected	Fixed in	Source
8.12	≥ 8.12.0, < 8.12.2	8.12.2	NVD
8.11	≥ 8.11.0, < 8.11.4	8.11.4	NVD
8.10	≥ 8.10.0, < 8.10.5	8.10.5	NVD
8.9	≥ 8.9.0, < 8.9.5	8.9.5	NVD
8.13	= 8.13.0	no fix published	NVD

Atlassian bitbucket server

Branch	Affected	Fixed in	Source
8.12	≥ 8.12.0, < 8.12.2	8.12.2	NVD
8.11	≥ 8.11.0, < 8.11.4	8.11.4	NVD
8.10	≥ 8.10.0, < 8.10.5	8.10.5	NVD
8.9	≥ 8.9.0, < 8.9.5	8.9.5	NVD
8.13	= 8.13.0	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Atlassian bitbucket data center to 8.12.2 · 8.11.4 · 8.10.5 · 8.9.5

Advisories and patches

confluence.atlassian.comVendor Advisory
jira.atlassian.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-03-06
OpenCVESSVC decisionnone—
NVDCVSS 3.18.8read 2026-10-23
CNACVSS 3.08.5read 2026-10-23
CISA-ADPweakness (CWE)CWE-94read 2026-10-23
FIRST EPSSEPSS score15.3 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2023-09-19
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-22513?

Is CVE-2023-22513 actively exploited?

Active exploitation of CVE-2023-22513 has not been confirmed. Its EPSS score was 15.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-22513?

CVE-2023-22513 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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