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CVE-2021-32631— JSON Web Tokens not properly verified

Quick assessment

Affected
nimble-platform common
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NIMBLE Platform Common是一个可以被NIMBLE服务访问的通用模块包。 Common 存在安全漏洞，该漏洞源于未正确验证 JSON 网络令牌。攻击者可利用该漏洞伪造有效的 JWT 从而导致身份验证绕过。

CVSS 6.5 · Medium EPSS 1.09% · P65

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-32631

Vulnerability Information
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Vulnerability Title
JSON Web Tokens not properly verified
Source: CVE Program / CVE List V5
Vulnerability Description
Common is a package of common modules that can be accessed by NIMBLE services. Common before commit number 3b96cb0293d3443b870351945f41d7d55cb34b53 did not properly verify the signature of JSON Web Tokens. This allows someone to forge a valid JWT. Being able to forge JWTs may lead to authentication bypasses. Commit number 3b96cb0293d3443b870351945f41d7d55cb34b53 contains a patch for the issue. As a workaround, one may use the parseClaimsJws method to correctly verify the signature of a JWT.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用欺骗进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
Common 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NIMBLE Platform Common是一个可以被NIMBLE服务访问的通用模块包。 Common 存在安全漏洞，该漏洞源于未正确验证 JSON 网络令牌。攻击者可利用该漏洞伪造有效的 JWT 从而导致身份验证绕过。
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

Vendor Product Affected Versions CPE Subscribe
nimble-platform common < 3b96cb0293d3443b870351945f41d7d55cb34b53 -

II. Public POCs for CVE-2021-32631

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III. Intelligence Information for CVE-2021-32631

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Patches & Fixes for CVE-2021-32631 (3)

Vendor Advisories for CVE-2021-32631 (1)

IV. Related Vulnerabilities

Same product: common
Same weakness: CWE-290

V. Comments for CVE-2021-32631

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