Vulnerability Details : CVE-2023-22521
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 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
Vulnerability category: Execute code
Products affected by CVE-2023-22521
- cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*
- cpe:2.3:a:atlassian:crowd:5.2.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-22521
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 56 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-22521
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
8.0
|
HIGH | CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H |
1.3
|
6.0
|
Atlassian | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
References for CVE-2023-22521
-
https://confluence.atlassian.com/pages/viewpage.action?pageId=1318881573
Security Bulletin - November 21 2023 | Atlassian Support | Atlassian DocumentationVendor Advisory
-
https://jira.atlassian.com/browse/CWD-6139
[CWD-6139] RCE (Remote Code Execution) in Crowd Data Center and Server - Create and track feature requests for Atlassian products.Vendor Advisory
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