CVE-2020-8118

5.0 MEDIUM 1% exploit odds Fix listed

What it is

An authenticated server-side request forgery in Nextcloud server 16.0.1 allowed to detect local and remote services when adding a new subscription in the calendar application.

At a glance

Exploitability: Can be exploited over the network with a low-privilege account. Limited direct impact.
Exploit odds: 1.3% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2020-02-04 20:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 03:25 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.3% in the next 30 days (EPSS).
Severity: 5.0 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2020-02-04 20:15 UTC
Last modified: 2026-06-17 03:25 UTC
Exploit probability: 1.3% · EPSS, next 30 days
Weakness: CWE-918 · Server-side request forgery
Record status: Modified

Affected

Nextcloud Server < 15.0.9
Nextcloud Server < 16.0.2
Opensuse Backports Sle 15.0
Novell Suse Linux Enterprise Server 12.0

Attack profile CVSS 3.1 · 5.0

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Changed
Confidentiality: Low
Integrity: None
Availability: None

Raw vector

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

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-2020-8118.md and follow it. Check whether this project is affected by CVE-2020-8118. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record