Auth bypass in Nextcloud Enterprise Server
CVE-2022-36074
Nextcloud server is an open source personal cloud product. Affected versions of this package are vulnerable to Information Exposure which fails to strip the Authorization header on HTTP downgrade. This can lead to account access exposure and compromise. It is recommended that the Nextcloud Server is upgraded to 23.0.7 or 24.0.3. It is recommended that the Nextcloud Enterprise Server is upgraded to 22.2.11, 23.0.7 or 24.0.3. There are no known workarounds for this issue.
Vulnerability class: Information Disclosure
EPSS: 0.006 (46.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N.
Affected products
- Nextcloud Nextcloud_enterprise_server
- Nextcloud Nextcloud_server
- Nextcloud Security-advisories — versions < 23.0.7, >= 24.0.0, < 24.0.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2022-36074?
- CVE-2022-36074 is a medium-severity vulnerability in Nextcloud Enterprise Server, classified under Information Disclosure. CVSS score: 6.4/10. Published 2022-09-15.
- How severe is CVE-2022-36074?
- Medium severity. CVSS v3 base score is 6.4 out of 10.
- Is CVE-2022-36074 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.