CVE-2023-22521

HIGH
8.8
CVSS Score
Published: November 21, 2023 at 06:00 PM UTC
Updated: June 17, 2026 at 05:35 AM UTC
1 product affected across 1 vendorCrowd

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Severity
HIGH8.8
Exploit prediction
EPSS 1%

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Crowd· Atlassianatlassian-app
95%
3.4.0 ≤ v < 5.1.65.2.0>= 5.2.0
Vendor states this is fixed in 3.4.6 (unaffected)
Vendor states this is fixed in >= 5.1.6 (unaffected)
Vendor states this is fixed in >= 5.2.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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