CVE-2023-45148
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network with a low-privilege account. Limited direct impact.
- Exploit odds
- 0.9% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.9% in the next 30 days (EPSS).
- Severity: 4.3 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.9% · EPSS, next 30 days
- Weakness
- CWE-307
- Record status
- Modified
Affected
- Nextcloud Server < 22.2.10.16
- Nextcloud Server < 23.0.12.11
- Nextcloud Server < 24.0.12.7
- Nextcloud Server < 25.0.11
- Nextcloud Server < 26.0.6
- Nextcloud Server 27.0.0
Attack profile CVSS 3.1 · 4.3
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2023-45148.md and follow it. Check whether this project is affected by CVE-2023-45148. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xmhp-7vr4-hp63
- https://github.com/nextcloud/server/pull/40293
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xmhp-7vr4-hp63
- https://github.com/nextcloud/server/pull/40293
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xmhp-7vr4-hp63
- https://github.com/nextcloud/server/pull/40293
- https://hackerone.com/reports/2110945
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xmhp-7vr4-hp63
- https://github.com/nextcloud/server/pull/40293
- https://hackerone.com/reports/2110945