CVE-2020-8181 - A missing file type check in Nextcloud Contacts 3.2.0 allowed a malicious user to upload any file as avatars

MEDIUM

A missing file type check in Nextcloud Contacts 3.2.0 allowed a malicious user to upload any file as avatars

Published Jul 10, 2020

4.3

MEDIUM

CVSS 3.1

EPSS 0.79%

A missing file type check in Nextcloud Contacts 3.2.0 allowed a malicious user to upload any file as avatars.

Default status is the baseline for the product. Each version can override it (patched versions can be marked unaffected).

Vendor	Product	Default status	Versions
n/a	Nextcloud Contact	unknown	Affected 3.3.0

No remediation recorded yet.

Weaknesses (2)

CWE-434

Unrestricted Upload of File

CWE-840

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-29062		Advisory
https://hackerone.com/reports/808287%2C		x_refsource_MISC
https://nextcloud.com/security/advisory/?id=NC-SA-2020-024		x_refsource_MISCVendor Advisory

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner hackerone

Published Jul 10, 2020

Updated Aug 4, 2024

Reserved Jan 28, 2020

CISA Vulnrichment

No data

NVD

Status Modified

Modified Jun 17, 2026

Red Hat

No data

ENISA EUVD

Assigner hackerone

Published Jul 10, 2020

Updated Aug 4, 2024

GitHub

No data