What is CVE-2021-32688?

CVE-2021-32688 is a high-severity vulnerability in Nextcloud Security-advisories, classified under Improper Authorization. CVSS score: 8.8/10. Published 2021-07-12.

How severe is CVE-2021-32688?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Nextcloud Security-advisories

CVE-2021-32688

Nextcloud Server is a Nextcloud package that handles data storage. Nextcloud Server supports application specific tokens for authentication purposes. These tokens are supposed to be granted to a specific applications (e.g. DAV sync clients…

EPSS: 0.031 (87.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Nextcloud Security-advisories — versions < 19.0.13, >= 20.0.0, < 20.0.11, >= 21.0.0, < 21.0.3

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

github.com/nextcloud/security-advisories/security/advisories/GHSA-48m7-7r2r-838r (x_refsource_CONFIRM)
github.com/nextcloud/server/pull/27000 (x_refsource_MISC)
hackerone.com/reports/1193321 (x_refsource_MISC)
FEDORA-2021-9b421b78af (vendor-advisory, x_refsource_FEDORA)
FEDORA-2021-6f327296fe (vendor-advisory, x_refsource_FEDORA)
GLSA-202208-17 (vendor-advisory, x_refsource_GENTOO)

Frequently asked questions

What is CVE-2021-32688?: CVE-2021-32688 is a high-severity vulnerability in Nextcloud Security-advisories, classified under Improper Authorization. CVSS score: 8.8/10. Published 2021-07-12.
How severe is CVE-2021-32688?: High severity. CVSS v3 base score is 8.8 out of 10.