CVE-2020-36248

Severity: medium (CVSS 4.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-02-19 · updated 2026-06-17
Weakness: CWE-312

Description

The ownCloud application before 2.15 for Android allows attackers to use adb to include a PIN preferences value in a backup archive, and consequently bypass the PIN lock feature by restoring from this archive.

Affected products

Owncloud Client: before 2.15 — fixed in 2.15

How to fix

Upgrade to a fixed version: Owncloud Client 2.15. Check the vendor advisory for mitigations.

References

https://owncloud.com/security-advisories/bypassing-app-lock-pattern-passcode-fingerprint-lock-android-oc-sa-2020-003/
https://owncloud.com/security-advisories/bypassing-app-lock-pattern-passcode-fingerprint-lock-android-oc-sa-2020-003/

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