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id : CVE-2021-20031
info :
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name : SonicWall SonicOS 7.0 - Open Redirect
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author : gy741
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severity : medium
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description : SonicWall SonicOS 7.0 contains an open redirect vulnerability. The values of the Host headers are implicitly set as trusted. An attacker can spoof a particular host header, allowing the attacker to render arbitrary links, obtain sensitive information, modify data, execute unauthorized operations. and/or possibly redirect a user to a malicious site.
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remediation : |
Apply the latest security patch or update provided by SonicWall to mitigate the vulnerability.
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reference :
- https://www.exploit-db.com/exploits/50414
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- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0019
- http://packetstormsecurity.com/files/164502/Sonicwall-SonicOS-7.0-Host-Header-Injection.html
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- https://nvd.nist.gov/vuln/detail/CVE-2021-20031
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- 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-2021-20031
cwe-id : CWE-601
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epss-score : 0.01452
epss-percentile : 0.86646
cpe : cpe:2.3:h:sonicwall:nsa_2650:-:*:*:*:*:*:*:*
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metadata :
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max-request : 1
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vendor : sonicwall
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product : nsa_2650
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google-query : inurl:"auth.html" intitle:"SonicWall"
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tags : cve,cve2021,sonicwall,redirect,edb,packetstorm
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http :
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- raw :
- |
GET / HTTP/1.1
Host : {{randstr}}.tld
matchers-condition : and
matchers :
- type : word
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part : body
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words :
- 'https://{{randstr}}.tld/auth.html'
- 'Please be patient as you are being re-directed'
condition : and
- type : status
status :
- 200
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# digest: 4b0a00483046022100a88f073b7af18401e8266c452e7918ef64d4ad02c5c4254fa02c8492c8d76b24022100efd86ff7c908c8cf283050af56d5e0a0d3ad3e0ccbf6e83fad3847d18c67d514:922c64590222798bb761d5b6d8e72950