CVE-2021-41239

Summary

CVECVE-2021-41239
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-03-08 18:15:00 UTC
Updated2022-10-24 16:42:00 UTC
DescriptionNextcloud server is a self hosted system designed to provide cloud style services. In affected versions the User Status API did not consider the user enumeration settings by the administrator. This allowed a user to enumerate other users on the instance, even when user listings where disabled. It is recommended that the Nextcloud Server is upgraded to 20.0.14, 21.0.6 or 22.2.1. There are no known workarounds.

Risk And Classification

Problem Types: CWE-200

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Nextcloud Nextcloud Server All All All All
Application Nextcloud Nextcloud Server 22.2.0 All All All

References

ReferenceSourceLinkTags
Nextcloud: Multiple Vulnerabilities (GLSA 202208-17) — Gentoo security GENTOO security.gentoo.org
User enumeration setting not obeyed in User Status API · Advisory · nextcloud/security-advisories · GitHub CONFIRM github.com
user_status "last statuses" widget leaks account names · Issue #27122 · nextcloud/server · GitHub MISC github.com
Respect user enumeration settings in user status lists by mejo- · Pull Request #29260 · nextcloud/server · GitHub MISC 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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