CVE-2021-32678

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Summary

CVECVE-2021-32678
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-07-12 13:15:00 UTC
Updated2023-11-07 03:35:00 UTC
DescriptionNextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.0.11, and 21.0.3, ratelimits are not applied to OCS API responses. This affects any OCS API controller (`OCSController`) using the `@BruteForceProtection` annotation. Risk depends on the installed applications on the Nextcloud Server, but could range from bypassing authentication ratelimits or spamming other Nextcloud users. The vulnerability is patched in versions 19.0.13, 20.0.11, and 21.0.3. No workarounds aside from upgrading are known to exist.

Risk And Classification

Problem Types: CWE-799

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 33 All All All
Operating System Fedoraproject Fedora 34 All All All
Application Nextcloud Nextcloud Server All All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 34 Update: nextcloud-20.0.11-1.fc34 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
Nextcloud: Multiple Vulnerabilities (GLSA 202208-17) — Gentoo security GENTOO security.gentoo.org
Propagate throttling on OCS response by LukasReschke · Pull Request #27329 · nextcloud/server · GitHub MISC github.com
HackerOne MISC hackerone.com
[SECURITY] Fedora 33 Update: nextcloud-19.0.13-1.fc33 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
Ratelimit not applied on OCS API responses · Advisory · nextcloud/security-advisories · GitHub CONFIRM github.com
[SECURITY] Fedora 33 Update: nextcloud-19.0.13-1.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 34 Update: nextcloud-20.0.11-1.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 281735 Fedora Security Update for nextcloud (FEDORA-2021-9b421b78af)
  • 281736 Fedora Security Update for nextcloud (FEDORA-2021-6f327296fe)
  • 710590 Gentoo Linux Nextcloud Multiple Vulnerabilities (GLSA 202208-17)
  • 750849 OpenSUSE Security Update for nextcloud (openSUSE-SU-2021:1068-1)
  • 750850 OpenSUSE Security Update for nextcloud (openSUSE-SU-2021:1068-1)
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