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CVE-2020-8117

Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be...

4.3 Medium

Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public event.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

0.71%Up 0.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 4.3

Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public event.

Record
CVE-2020-8117
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0
4.0 MediumAV:N/AC:L/Au:S/C:P/I:N/A:N
Weakness
CWE-280, CWE-281
Updated
2026-11-02
CVE List No score

Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public event.

Record
CVE-2020-8117
Weakness
CWE-280
Updated
2026-11-02
EUVDEUVD-2020-29027 No score

Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public event.

Record
EUVD-2020-29027
Updated
2026-11-03
GitHub AdvisoriesGHSA-wgxr-73ph-q4xr No score

Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be...

Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public event.

Record
GHSA-wgxr-73ph-q4xr
Updated
2026-11-02
OSV 4.3

Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public event.

Record
CVE-2020-8117
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliases, productsEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-8117 is a medium vulnerability (CVSS 4.3) in Hackerone Nextcloud Server, published February 4, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.71%, the 53rd percentile. No source names a fixed version.

References

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