CVE-2021-32734

Name: CVE-2021-32734
Creator: NVD / NIST
Published: 2021-07-12T22:15:07.897+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.38%

Last modified Jun 17, 2026

CVE-2021-32734 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, the Nextcloud Text application shipped with Nextcloud Server returned verbatim exception messages to the user. EPSS estimates a 1.38% chance of exploitation in the next 30 days.

Description

Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, the Nextcloud Text application shipped with Nextcloud Server returned verbatim exception messages to the user. This could result in a full path disclosure on shared files. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. As a workaround, one may disable the Nextcloud Text application in Nextcloud Server app settings.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

1.38%

68.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Nextcloud	Nextcloud Server	< 19.0.13
Nextcloud	Nextcloud Server	>= 20.0.0, < 20.0.11
Nextcloud	Nextcloud Server	>= 21.0.0, < 21.0.3

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6hf5-c2c4-2526Third Party Advisory
https://github.com/nextcloud/text/pull/1695Patch, Third Party Advisory
https://hackerone.com/reports/1246721Permissions Required
https://security.gentoo.org/glsa/202208-17Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6hf5-c2c4-2526Third Party Advisory
https://github.com/nextcloud/text/pull/1695Patch, Third Party Advisory
https://hackerone.com/reports/1246721Permissions Required
https://security.gentoo.org/glsa/202208-17Third Party Advisory

Timeline

Published: Jul 12, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-32734?

How severe is CVE-2021-32734?

CVE-2021-32734 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.38% probability of exploitation in the next 30 days.

How do I fix CVE-2021-32734?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-32734?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST