CVE-2021-32734

File path disclosure of shared files in Nextcloud Text application

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.

Category

3.1
CVSS
Severity: Low
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.27%
Vendor Advisory gentoo.org
Affected: nextcloud security-advisories
Published at:
Updated at:

References

Link Tags
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6hf5-c2c4-2526 third party advisory
https://github.com/nextcloud/text/pull/1695 third party advisory patch
https://hackerone.com/reports/1246721 permissions required
https://security.gentoo.org/glsa/202208-17 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-32734?
CVE-2021-32734 has been scored as a low severity vulnerability.
How to fix CVE-2021-32734?
To fix CVE-2021-32734, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-32734 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-32734 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-32734?
CVE-2021-32734 affects nextcloud security-advisories.
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