What is CVE-2021-41178?

CVE-2021-41178 is a high-severity vulnerability in Nextcloud Security-advisories, classified under Relative Path Traversal. CVSS score: 8.8/10. Published 2021-10-25.

How severe is CVE-2021-41178?

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

Path Traversal in Nextcloud Security-advisories

CVE-2021-41178

Nextcloud is an open-source, self-hosted productivity platform. Prior to versions 20.0.13, 21.0.5, and 22.2.0, a file traversal vulnerability makes an attacker able to download arbitrary SVG images from the host system, including user prov…

EPSS: 0.009 (75.5th 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 20.0.13, >= 21.0.0, < 21.0.5, < 22.2.0

Weakness classification (CWE)

References

github.com/nextcloud/security-advisories/security/advisories/GHSA-jp9c-vpr3-m5rf (x_refsource_CONFIRM)
github.com/nextcloud/server/pull/28726 (x_refsource_MISC)
hackerone.com/reports/1302155 (x_refsource_MISC)
GLSA-202208-17 (vendor-advisory, x_refsource_GENTOO)

Frequently asked questions

What is CVE-2021-41178?: CVE-2021-41178 is a high-severity vulnerability in Nextcloud Security-advisories, classified under Relative Path Traversal. CVSS score: 8.8/10. Published 2021-10-25.
How severe is CVE-2021-41178?: High severity. CVSS v3 base score is 8.8 out of 10.