CVE-2021-39307

CVSS V2 Medium 4.3 CVSS V3 Medium 6.1
Description
PDFTron's WebViewer UI 8.0 or below renders dangerous URLs as hyperlinks in supported documents, including JavaScript URLs, allowing the execution of arbitrary JavaScript code.
Overview
  • CVE ID
  • CVE-2021-39307
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-09-15T13:15:08
  • Last Modified Date
  • 2021-09-30T19:18:06
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:pdftron:webviewer_ui:*:*:*:*:*:*:*:* 1 OR 8.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 6.1
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://research.nccgroup.com/2021/09/14/technical-advisory-pdftron-javascript-urls-allowed-in-webviewer-ui-cve-2021-39307/ Exploit Patch Third Party Advisory
https://www.pdftron.com/webviewer/ Product Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-39307
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39307
History
Created Old Value New Value Data Type Notes
2022-05-10 06:52:49 Added to TrackCVE
2022-12-05 10:39:53 2021-09-15T13:15Z 2021-09-15T13:15:08 CVE Published Date updated
2022-12-05 10:39:53 2021-09-30T19:18:06 CVE Modified Date updated
2022-12-05 10:39:53 Analyzed Vulnerability Status updated