CVE-2020-8235

low-risk
Published 2020-10-05

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

Do I need to act?

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0.14% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Deck

Affected Vendors

Nextcloud

References (4)

Exploit https://hackerone.com/reports/916704
Vendor Advisory https://nextcloud.com/security/advisory/?id=NC-SA-2020-036
Exploit https://hackerone.com/reports/916704
Vendor Advisory https://nextcloud.com/security/advisory/?id=NC-SA-2020-036
24
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal