CVE-2021-32655

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Summary

CVECVE-2021-32655
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-06-01 21:15:00 UTC
Updated2022-10-26 14:09:00 UTC
DescriptionNextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.11, 20.0.10, and 21.0.2, an attacker is able to convert a Files Drop link to a federated share. This causes an issue on the UI side of the sharing user. When the sharing user opens the sharing panel and tries to remove the "Create" privileges of this unexpected share, Nextcloud server would silently grant the share read privileges. The vulnerability is patched in versions 19.0.11, 20.0.10 and 21.0.2. No workarounds are known to exist.

Risk And Classification

Problem Types: NVD-CWE-Other

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Nextcloud Nextcloud Server All All All All

References

ReferenceSourceLinkTags
Nextcloud: Multiple Vulnerabilities (GLSA 202208-17) — Gentoo security GENTOO security.gentoo.org
HackerOne MISC hackerone.com
Files Drop public link can be added as federated share · Advisory · nextcloud/security-advisories · GitHub CONFIRM github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 710590 Gentoo Linux Nextcloud Multiple Vulnerabilities (GLSA 202208-17)
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