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CVE

CVE-2024-37313

Nextcloud server is a self hosted personal cloud system. Under some circumstance it was possible to bypass the second fa

Nextcloud server is a self hosted personal cloud system. Under some circumstance it was possible to bypass the second factor of 2FA after successfully providing the user credentials. It is recommended that the Nextcloud Server is upgraded to 26.0.13, 27.1.8 or 28.0.4 and Nextcloud Enterprise Server is upgraded to 21.0.9.17, 22.2.10.22, 23.0.12.17, 24.0.12.13, 25.0.13.8, 26.0.13, 27.1.8 or 28.0.4.

HIGH · CVSS 7.3 EPSS 0.00179
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
▤

Affected Products & Versions

8
nextcloud server>= 21.0.0 and < 21.0.9.17
nextcloud server>= 22.0.0 and < 22.2.10.22
nextcloud server>= 23.0.0 and < 23.0.12.17
nextcloud server>= 24.0.0 and < 24.0.12.13
nextcloud server>= 25.0.0 and < 25.0.13.8
nextcloud server>= 26.0.0 and < 26.0.13
nextcloud server>= 27.0.0 and < 27.1.8
nextcloud server>= 28.0.0 and < 28.0.4
▣

Scoring & Timeline

7.3
HIGH · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Jun 2024 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-9v72-9xv5-3p7cVendor Advisory
https://github.com/nextcloud/server/pull/44276Issue TrackingPatch
https://hackerone.com/reports/2419776Issue Tracking
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