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I. Basic Information for CVE-2025-4658
Vulnerability Information

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Vulnerability Title
Authentication Bypass in OPKSSH
Source: NVD (National Vulnerability Database)
Vulnerability Description
Versions of OpenPubkey library prior to 0.10.0 contained a vulnerability that would allow a specially crafted JWS to bypass signature verification. As OPKSSH depends on the OpenPubkey library for authentication, this vulnerability in OpenPubkey also applies to OPKSSH versions prior to 0.5.0 and would allow an attacker to bypass OPKSSH authentication.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用基本弱点进行的认证绕过
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenPubkey 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenPubkey是OpenPubkey开源的一个OpenPubkey的参考实现。 OpenPubkey 0.10.0之前版本和OPKSSH 0.5.0之前版本存在安全漏洞,该漏洞源于特制JWS可绕过签名验证,可能导致绕过OPKSSH身份验证。
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
OPKSSHOPKSSH 0.1.0 ~ 0.4.0 -
II. Public POCs for CVE-2025-4658
#POC DescriptionSource LinkShenlong Link
1Nonehttps://github.com/stuxbench/dropbear-cve-2025-4658POC Details
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III. Intelligence Information for CVE-2025-4658
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IV. Related Vulnerabilities
V. Comments for CVE-2025-4658

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