Vulnerability in Nextcloud Security-advisories
CVE-2021-32802
Nextcloud server is an open source, self hosted personal cloud. Nextcloud supports rendering image previews for user provided file content. For some image types, the Nextcloud server was invoking a third-party library that wasn't suited fo…
EPSS: 0.023 (84.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L.
Affected products
- Nextcloud Security-advisories — versions < 20.0.12, >= 21.0.0, < 21.0.4, >= 22.0.0, < 22.1.0
Weakness classification (CWE)
References
- github.com/nextcloud/security-advisories/security/advisories/GHSA-m682-v4g9-wrq7 (x_refsource_CONFIRM)
- hackerone.com/reports/1261413 (x_refsource_MISC)
- docs.nextcloud.com/server/21/admin_manual/configuration_files/previews_configur… (x_refsource_MISC)
- GLSA-202208-17 (vendor-advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2021-32802?
- CVE-2021-32802 is a critical-severity vulnerability in Nextcloud Security-advisories, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 9.3/10. Published 2021-09-07.
- How severe is CVE-2021-32802?
- Critical severity. CVSS v3 base score is 9.3 out of 10.