Crowd Data Center and Server update for netty-handler



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-24970
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Crowd Data Center
Server applications / Other server solutions

Crowd
Server applications / Directory software, identity management

Vendor Atlassian

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU103770

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-24970

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in SslHandler when using native SSLEngine. A remote attacker can send a specially crafted packet to the application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Crowd Data Center: 6.2.0 - 6.2.2

Crowd: 6.2.0 - 6.2.2

CPE2.3 External links

https://jira.atlassian.com/browse/CWD-6341


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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