54 lines
1.8 KiB
YAML
54 lines
1.8 KiB
YAML
id: CVE-2021-40859
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info:
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name: Auerswald COMpact 5500R 7.8A and 8.0B Devices Backdoor
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author: pussycat0x
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severity: critical
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description: Auerswald COMpact 5500R 7.8A and 8.0B devices contain an unauthenticated endpoint ("https://192.168.1[.]2/about_state"), enabling the bad actor to gain backdoor access to a web interface that allows for resetting the administrator password.
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remediation: |
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Apply the latest firmware update provided by Auerswald to fix the backdoor vulnerability.
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reference:
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- https://thehackernews.com/2021/12/secret-backdoors-found-in-german-made.html
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- https://nvd.nist.gov/vuln/detail/CVE-2021-40859
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- https://www.redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerability-analyses
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- https://www.redteam-pentesting.de/en/advisories/rt-sa-2021-007/-auerswald-compact-multiple-backdoors
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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cvss-score: 9.8
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cve-id: CVE-2021-40859
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epss-score: 0.02655
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epss-percentile: 0.89278
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cpe: cpe:2.3:o:auerswald:compact_5500r_firmware:7.8a:build002:*:*:*:*:*:*
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metadata:
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max-request: 1
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vendor: auerswald
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product: compact_5500r_firmware
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fofa-query: '"auerswald"'
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tags: cve,cve2021,iot,unauth,voip,auerswald
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http:
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- method: GET
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path:
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- "{{BaseURL}}/about_state"
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matchers-condition: and
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matchers:
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- type: word
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part: body
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words:
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- '"pbx"'
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- '"dongleStatus":0'
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- '"macaddr"'
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condition: and
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- type: word
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part: header
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words:
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- "application/json"
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- type: status
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status:
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- 200
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# digest: 490a0046304402204cb82dc520a08c606d5e050aa5a6ad91ac2a5fbfc4d84510726bf94aedaca19f02202a552f21bceb0da7dd54b4d97e2e3be9029610bc50ed7be604e90692a64d4123:922c64590222798bb761d5b6d8e72950
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