Vulnerability identifier: #VU61421

Vulnerability risk: Medium

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-24751

CWE-ID: CWE-362

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Zulip Server
Web applications / Other software

Vendor: Zulip

Description

The vulnerability allows a remote attacker can compromise the target system.

The vulnerability exists due to a race condition during user deactivation. A remote user can exploit the race and gain unauthorized access after being deactivated.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Zulip Server: 4.0 - 4.10

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External links
http://github.com/zulip/zulip/releases/tag/4.11

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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