Auth bypass in Collaboraonline Online
CVE-2021-32744
Collabora Online is a collaborative online office suite. In versions prior to 4.2.17-1 and version 6.4.9-5, unauthenticated attackers are able to gain access to files which are currently opened by other users in the Collabora Online editor…
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.007 (73.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Collaboraonline Online — versions < 4.2.17-1, >= 6.4.0, < 6.4.9-5
Weakness classification (CWE)
References
- github.com/CollaboraOnline/online/security/advisories/GHSA-32xj-9x82-q9jw (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2021-32744?
- CVE-2021-32744 is a critical-severity vulnerability in Collaboraonline Online, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.8/10. Published 2021-07-21.
- How severe is CVE-2021-32744?
- Critical severity. CVSS v3 base score is 9.8 out of 10.