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I. Basic Information for CVE-2021-20316
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated attacker with permissions to read or modify share metadata, to perform this operation outside of the share.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Red Hat Enterprise Linux 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Enterprise Linux是美国红帽（Red Hat）公司的面向企业用户的Linux操作系统 Red Hat Enterprise Linux存在安全漏洞，该漏洞源于samba:符号链接竞争错误可以允许在导出的共享之外读取和修改元数据。
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
-samba Affects samba file server before v4.15.0, Fixed in samba v4.15.0 -
II. Public POCs for CVE-2021-20316
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III. Intelligence Information for CVE-2021-20316
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IV. Related Vulnerabilities
Same product: samba
Same vendor: n/a
Same weakness: CWE-362
V. Comments for CVE-2021-20316

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