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CVE-2023-22521

Quick assessment

Affected
Atlassian Crowd Data Center
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Atlassian Crowd是澳大利亚Atlassian公司的一套基于Web的单点登录系统。该系统为多用户、网络应用程序和目录服务器提供验证、授权等功能。 Atlassian Crowd 3.4.6版本存在安全漏洞，该漏洞源于存在远程代码执行（RCE）漏洞。

AI Predicted 8.0 Difficulty: Easy EPSS 1.21% · P67

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-22521

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Atlassian Crowd 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Atlassian Crowd是澳大利亚Atlassian公司的一套基于Web的单点登录系统。该系统为多用户、网络应用程序和目录服务器提供验证、授权等功能。 Atlassian Crowd 3.4.6版本存在安全漏洞，该漏洞源于存在远程代码执行（RCE）漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Atlassian Crowd Data Center < 3.4.6 -
Atlassian Crowd Server < 3.4.6 -

II. Public POCs for CVE-2023-22521

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III. Intelligence Information for CVE-2023-22521

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Other References for CVE-2023-22521 (2)

IV. Related Vulnerabilities

Same product: Crowd Data Center
Same vendor: Atlassian

V. Comments for CVE-2023-22521

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