What’s Vulnerable › Vulnerabilities

CVE-2020-8235

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-10-05 · updated 2026-06-17
• Weakness: CWE-639

Description

Missing access control in Nextcloud Deck 1.0.4 caused an insecure direct object reference allowing an attacker to view all attachments.

Affected products

• Nextcloud Deck: 1.0.4

References

• https://hackerone.com/reports/916704
• https://nextcloud.com/security/advisory/?id=NC-SA-2020-036
• https://hackerone.com/reports/916704
• https://nextcloud.com/security/advisory/?id=NC-SA-2020-036

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