CVE-2021-21799

9.6CRITICAL

Key Information

Vendor
Advantech
Status
Advantech
Vendor
CVE Published:
16 July 2021

Summary

Cross-site scripting vulnerabilities exist in the telnet_form.php script functionality of Advantech R-SeeNet v 2.4.12 (20.10.2020). If a user visits a specially crafted URL, it can lead to arbitrary JavaScript code execution in the context of the targeted user’s browser. An attacker can provide a crafted URL to trigger this vulnerability.

Affected Version(s)

Advantech = Advantech R-SeeNet 2.4.12 (20.10.2020)

EPSS Score

80% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.6
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Risk change from: 6.1 to: 9.6 - (CRITICAL)

  • Vulnerability published.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre Database
.