CVE-2023-45148

Name: CVE-2023-45148
Creator: NVD / NIST
Published: 2023-10-16T19:15:10.86+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.70%

Last modified Jun 17, 2026

CVE-2023-45148 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Nextcloud is an open source home cloud server. When Memcached is used as `memcache.distributed` the rate limiting in Nextcloud Server could be reset unexpectedly resetting the rate count earlier than intended. EPSS estimates a 0.70% chance of exploitation in the next 30 days.

Description

Nextcloud is an open source home cloud server. When Memcached is used as `memcache.distributed` the rate limiting in Nextcloud Server could be reset unexpectedly resetting the rate count earlier than intended. Users are advised to upgrade to versions 25.0.11, 26.0.6 or 27.1.0. Users unable to upgrade should change their config setting `memcache.distributed` to `\OC\Memcache\Redis` and install Redis instead of Memcached.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.70%

48.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-307

Affected Software

Vendor	Product	Versions
Nextcloud	Nextcloud Server	>= 22.0.0, < 22.2.10.16
Nextcloud	Nextcloud Server	>= 23.0.0, < 23.0.12.11
Nextcloud	Nextcloud Server	>= 24.0.0, < 24.0.12.7
Nextcloud	Nextcloud Server	>= 25.0.0, < 25.0.11
Nextcloud	Nextcloud Server	>= 26.0.0, < 26.0.6
Nextcloud	Nextcloud Server	27.0.0

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xmhp-7vr4-hp63Vendor Advisory
https://github.com/nextcloud/server/pull/40293Issue Tracking, Patch
https://hackerone.com/reports/2110945Permissions Required
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xmhp-7vr4-hp63Vendor Advisory
https://github.com/nextcloud/server/pull/40293Issue Tracking, Patch
https://hackerone.com/reports/2110945Permissions Required

Timeline

Published: Oct 16, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-45148?

How severe is CVE-2023-45148?

CVE-2023-45148 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.

How do I fix CVE-2023-45148?

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-2023-45148?

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

Scan your code now

Source: NVD / NIST