Security Resilience

CVE-2023-22521

Atlassian Crowd 3.4.0 – 5.1.6

Published
21 November 2023
Modified
21 November 2024
Patch / advisory
CVSS Score v3.1 8.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.012 68th percentile
Risk Priority 66 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-22521 is a high-severity an unspecified weakness vulnerability in Atlassian Crowd. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 32% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

This High severity RCE (Remote Code Execution) vulnerability was introduced in version 3.4.6 of Crowd Data Center and Server. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 8.0, allows an authenticated attacker to execute arbitrary code which…

more

has high impact to confidentiality, high impact to integrity, high impact to availability, and requires no user interaction. Atlassian recommends that Crowd 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: Crowd Data Center and Server 3.4: Upgrade to a release greater than or equal to 5.1.6 Crowd Data Center and Server 5.2: Upgrade to a release greater than or equal to 5.2.1 See the release notes ([https://confluence.atlassian.com/crowd/crowd-release-notes-199094.html]). You can download the latest version of Crowd Data Center and Server from the download center ([https://www.atlassian.com/software/crowd/download-archive]). This vulnerability was discovered by m1sn0w and reported via our Bug Bounty program

CWE(s)

Related Threats

CVEs Like This One

CVE-2026-21569Same product: Atlassian Crowd
CVE-2019-11580Same product: Atlassian Crowd
CVE-2012-2926Same product: Atlassian Crowd
CVE-2024-21687Same vendor: Atlassian
CVE-2023-22527Same vendor: Atlassian
CVE-2023-22516Same vendor: Atlassian
CVE-2026-21577Same vendor: Atlassian
CVE-2023-22512Same vendor: Atlassian
CVE-2025-22169Same vendor: Atlassian
CVE-2023-22518Same vendor: Atlassian

Affected Assets

atlassian
crowd
5.2.0 · 3.4.0 — 5.1.6

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References