CVE-2020-10252

HIGH 8.3CVE-2020-10252 · Published 19/02/2021 · updated 17/06/2026

In short

CVE-2020-10252 is a HIGH (CVSS 8.3) vulnerability affecting owncloud (owncloud).
Chance of exploitation in the next 30 days (EPSS): 1.2%, higher than 69.3% of all vulnerabilities.
Fix: update to 10.4.0 or later.

Package	Affected versions	Patched versions
owncloud owncloud	`< 10.4.0`	`10.4.0`

Description

An issue was discovered in ownCloud before 10.4. Because of an SSRF issue (via the apps/files_sharing/external remote parameter), an authenticated attacker can interact with local services blindly (aka Blind SSRF) or conduct a Denial Of Service attack.

References

blog.hacktivesecurity.com/index.php · Exploit
owncloud.com/security-advisories/ssrf-in-add-to-your-owncloud-functionality · Vendor Advisory
owncloud.org/changelog/server · Product

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Package

Affected versions

Patched versions

owncloud

< 10.4.0

10.4.0

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