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I. Basic Information for CVE-2025-45311
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Insecure permissions in fail2ban-client v0.11.2 allows attackers with limited sudo privileges to perform arbitrary operations as root. NOTE: this is disputed by multiple parties because the action for a triggered rule can legitimately be an arbitrary operation as root. Thus, the software is behaving in accordance with its intended privilege model.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
fail2ban 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
fail2ban是fail2ban开源的一个应用软件。禁止导致多个身份验证错误的主机。 fail2ban v0.11.2版本存在安全漏洞,该漏洞源于权限不安全,可能导致以root身份执行任意操作。
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
-n/a n/a -
II. Public POCs for CVE-2025-45311
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III. Intelligence Information for CVE-2025-45311
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IV. Related Vulnerabilities
V. Comments for CVE-2025-45311

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