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Advisories

NextScan 1.1.0 through 1.2.0 Hardcoded JWT Key Authentication Bypass in ns-admin

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Severity
critical
Date
Affecting

  • NextScan >= 1.1.0, <= 1.2.0

CWE
  • CWE-321 Use of Hard-coded Cryptographic Key
CVSS
9.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
Wu Yulun
Description
NextScan 1.1.0 through 1.2.0 contains an authentication bypass vulnerability in ns-admin that allows unauthenticated attackers to forge administrator tokens using a hardcoded JWT signing key. Attackers can sign an HS256 X-Access-Token carrying the public super administrator role ID to gain full access to user management, scan tasks and stored vulnerability results.

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