CVE-2020-8182

CVE-2020-8182 is a high-severity vulnerability in Nextcloud Deck with a CVSS 3.x base score of 8.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-281.

Key facts

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.

Frequently asked questions

What is CVE-2020-8182?
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.
How severe is CVE-2020-8182?
CVE-2020-8182 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-8182 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8182?
CVE-2020-8182 affects Nextcloud Deck. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8182?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-8182 published?
CVE-2020-8182 was published on 2020-10-05 and last updated on 2026-06-17.

References

Affected products (1)

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