CVE-2020-8297

4.3 mediumEPSS 1.3%

Medium (4.3) in nextcloud deck. EPSS 1.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

4.3 medium

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

EPSS: 1.3% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)
CWE: CWE-639
Published: 2021-02-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

nextcloud:deck

References

https://github.com/nextcloud/deck/pull/1976
https://hackerone.com/reports/882258
https://nextcloud.com/security/advisory/?id=NC-SA-2021-007
https://github.com/nextcloud/deck/pull/1976
https://hackerone.com/reports/882258

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