CVE-2022-31118

Name: CVE-2022-31118
Creator: NVD / NIST
Published: 2022-08-04T17:15:08.44+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.60%

Last modified Jun 17, 2026

CVE-2022-31118 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Nextcloud server is an open source personal cloud solution. In affected versions an attacker could brute force to find if federated sharing is being used and potentially try to brute force access tokens for federated shares (`a-zA-Z0-9` ^ 15). EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

Nextcloud server is an open source personal cloud solution. In affected versions an attacker could brute force to find if federated sharing is being used and potentially try to brute force access tokens for federated shares (`a-zA-Z0-9` ^ 15). It is recommended that the Nextcloud Server is upgraded to 22.2.9, 23.0.6 or 24.0.2. Users unable to upgrade may disable federated sharing via the Admin Sharing settings in `index.php/settings/admin/sharing`.

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

0.60%

44.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Nextcloud	Nextcloud Server	< 22.2.9
Nextcloud	Nextcloud Server	>= 23.0.0, < 23.0.6
Nextcloud	Nextcloud Server	>= 24.0.0, < 24.0.2

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2vwh-5v93-3vcqThird Party Advisory
https://github.com/nextcloud/server/pull/32843/commits/6eb692da7fe73c899cb6a8d2aa045eddb1f14018Patch, Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2vwh-5v93-3vcqThird Party Advisory
https://github.com/nextcloud/server/pull/32843/commits/6eb692da7fe73c899cb6a8d2aa045eddb1f14018Patch, Third Party Advisory

Timeline

Published: Aug 4, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-31118?

How severe is CVE-2022-31118?

CVE-2022-31118 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2022-31118?

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-2022-31118?

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

Scan your code now

Source: NVD / NIST