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CVE-2025-65945— auth0/node-jws improper HMAC signature verification vulnerability

CVSS 7.5 · High EPSS 0.01% · P1
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I. Basic Information for CVE-2025-65945

Vulnerability Information
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Vulnerability Title
auth0/node-jws improper HMAC signature verification vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
auth0/node-jws is a JSON Web Signature implementation for Node.js. In versions 3.2.2 and earlier and version 4.0.0, auth0/node-jws has an improper signature verification vulnerability when using the HS256 algorithm under specific conditions. Applications are affected when they use the jws.createVerify() function for HMAC algorithms and use user-provided data from the JSON Web Signature protected header or payload in HMAC secret lookup routines, which can allow attackers to bypass signature verification. This issue has been patched in versions 3.2.3 and 4.0.1.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
密码学签名的验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
node-jws 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
node-jws是Auth0开源的一个JSON Web签名库。 node-jws 3.2.2及之前版本和4.0.0版本存在数据伪造问题漏洞，该漏洞源于HS256算法签名验证不当，可能导致签名验证绕过。
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
auth0node-jws < 3.2.3 -

II. Public POCs for CVE-2025-65945

#POC DescriptionSource LinkShenlong Link
1PoC for CVE-2025-65945 (Improper Verification of Cryptographic Signature in node-jws)https://github.com/jedisct1/CVE-2025-65945-pocPOC Details
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III. Intelligence Information for CVE-2025-65945

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IV. Related Vulnerabilities

Same vendor: auth0
Same weakness: CWE-347

V. Comments for CVE-2025-65945

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