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I. Basic Information for CVE-2023-28643
Vulnerability Information

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Vulnerability Title
Potential share collision for recipients when caching is enabled in nextcloud server
Source: NVD (National Vulnerability Database)
Vulnerability Description
Nextcloud server is an open source home cloud implementation. In affected versions when a recipient receives 2 shares with the same name, while a memory cache is configured, the second share will replace the first one instead of being renamed to `{name} (2)`. It is recommended that the Nextcloud Server is upgraded to 25.0.3 or 24.0.9. Users unable to upgrade should avoid sharing 2 folders with the same name to the same user.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用不正确的解析名称或索引
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 serve存在安全漏洞,该漏洞源于启用缓存时收件人可能发生共享冲突。受影响的产品和版本:Nextcloud serve 24.0.9之前的24.0.x版本, 25.0.3之前的25.0.x版本。
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
VendorProductAffected VersionsCPESubscribe
nextcloudsecurity-advisories < 24.0.9 -
II. Public POCs for CVE-2023-28643
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III. Intelligence Information for CVE-2023-28643
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IV. Related Vulnerabilities
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