CVE-2021-33853

CVSS V2 Low 3.5 CVSS V3 Medium 5.4
Description
A Cross-Site Scripting (XSS) attack can cause arbitrary code (javascript) to run in a user’s browser while the browser is connected to a trusted website. As the vehicle for the attack, the application targets the users and not the application itself. Additionally, the XSS payload is executed when the user attempts to access any page of the CRM.
Overview
  • CVE ID
  • CVE-2021-33853
  • Assigner
  • disclose@cybersecurityworks.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-03-16T15:15:10
  • Last Modified Date
  • 2022-03-22T16:57:48
Weakness Enumerations
CWE URL
CWE-79 http://cwe.mitre.org/data/definitions/79.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:x2engine:x2crm:8.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:S/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 3.5
  • Severity
  • LOW
  • Exploitability Score
  • 6.8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 5.4
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.3
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://cybersecurityworks.com/zerodays/cve-2021-33853-stored-cross-site-scripting-in-x2crm.html Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-33853
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33853
History
Created Old Value New Value Data Type Notes
2022-05-10 15:44:56 Added to TrackCVE
2022-12-06 12:29:34 2022-03-16T15:15Z 2022-03-16T15:15:10 CVE Published Date updated
2022-12-06 12:29:34 2022-03-22T16:57:48 CVE Modified Date updated
2022-12-06 12:29:34 Analyzed Vulnerability Status updated