Information disclosure in Collabora Online
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-32744 |
| CWE-ID | CWE-200 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Collabora Online Client/Desktop applications / Other client software |
| Vendor |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Information disclosure
EUVDB-ID: #VU55271
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 - Information exposure
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCollabora Online: before 6.4.9-6
External linkshttp://github.com/CollaboraOnline/online/security/advisories/GHSA-32xj-9x82-q9jw
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.
