Auth bypass in Nextcloud Deck

CVE-2020-8297

Nextcloud Deck before 1.0.2 suffers from an insecure direct object reference (IDOR) vulnerability that permits users with a duplicate user identifier to access deck data of a previous deleted user.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.013 (67.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-8297?
CVE-2020-8297 is a medium-severity vulnerability in Nextcloud Deck, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2021-02-23.
How severe is CVE-2020-8297?
Medium severity. CVSS v3 base score is 4.3 out of 10.