CVE-2022-31120— Federated share accepting/declining is not logged in audit log in Nextcloud Server
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I. Basic Information for CVE-2022-31120
Vulnerability Information
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Vulnerability Title
Federated share accepting/declining is not logged in audit log in Nextcloud Server
Source: NVD (National Vulnerability Database)
Vulnerability Description
Nextcloud server is an open source personal cloud solution. The audit log is used to get a full trail of the actions which has been incompletely populated. In affected versions federated share events were not properly logged which would allow brute force attacks to go unnoticed. This behavior exacerbates the impact of CVE-2022-31118. It is recommended that the Nextcloud Server is upgraded to 22.2.7, 23.0.4 or 24.0.0. There are no workarounds available.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
不充分的日志记录
Source: NVD (National Vulnerability Database)
Vulnerability Title
Nextcloud 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nextcloud是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台。 Nextcloud server存在安全漏洞，该漏洞源于未正确记录联合共享事件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| nextcloud | security-advisories | >= 23.0.0, < 23.0.4 | - |
II. Public POCs for CVE-2022-31120
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · nextcloud · 2022-08-04 · 4 CVEs total
| CVE-2022-31132 | 8.3 HIGH | Unauthenticated SSRF in 3rd party module "cerdic/csstidy" |
| CVE-2022-31118 | 6.5 MEDIUM | Missing brute force protection on cloud federation sharing in Nextcloud Server |
| CVE-2022-31119 | 3.1 LOW | Password disclosure in log file in Nextcloud Mail App |
IV. Related Vulnerabilities
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Kiteworks Core has an OS Command Injection - CVE-2025-66558
Nextcloud Twofactor WebAuthn app was updated based on public
Same vendor: nextcloud
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Same weakness: CWE-778
V. Comments for CVE-2022-31120
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