Vulnerability identifier: #VU55271

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-32744

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Collabora Online
Client/Desktop applications / Other client software

Vendor:

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a flaw in the Collabora Online editor. A remote attacker can guess the file identifier and gain access to files which are currently opened by other users.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://github.com/CollaboraOnline/online/security/advisories/GHSA-32xj-9x82-q9jw

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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.