What’s Vulnerable › Vulnerabilities

CVE-2020-8182

• Severity: high (CVSS 8.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-10-05 · updated 2026-06-17
• Weakness: CWE-284

Description

Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with them with more permissions than they had themselves.

Affected products

• Nextcloud Deck: 0.8.0

References

• https://hackerone.com/reports/827816
• https://nextcloud.com/security/advisory/?id=NC-SA-2020-025
• https://hackerone.com/reports/827816
• https://nextcloud.com/security/advisory/?id=NC-SA-2020-025

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