CVE-2024-37313: Nextcloud server allows the by-pass the second factor

High severity · published Jun 14, 2024

CVE-2024-37313

Nextcloud server allows the by-pass the second factor

7.5

CVSS

0.4%

EPSS

On KEV

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

None

Integrity

High

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.4% · higher than 34% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

security-advisories · nextcloud

>= 26.0.0, < 26.0.13; >= 27.0.0, < 27.1.8; >= 28.0.0, < 28.0.4 · source: vendor

Nextcloud Server · Nextcloud

21.0.0 before 21.0.9.17; 22.0.0 before 22.2.10.22; 23.0.0 before 23.0.12.17; 24.0.0 before 24.0.12.13; 25.0.0 before 25.0.13.8; 26.0.0 before 26.0.13; +5 more · source: NVD

Server · Nextcloud

26.0.0 before 26.0.13; 27.0.0 before 27.1.8; 28.0.0 before 28.0.4 · source: CISA

Affected product

security-advisories

nextcloud

All security-advisories CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2024-37313

CVE.org

https://www.cve.org/CVERecord?id=CVE-2024-37313

Vendor Advisory

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-9v72-9xv5-3p7c

Issue Tracking

https://github.com/nextcloud/server/pull/44276

Issue Tracking

https://hackerone.com/reports/2419776