CVE-2023-35921

CVSS 3.1 Score 7.5 of 10 (high)

Details

Published Jul 11, 2023
Updated: Jul 19, 2023
CWE ID 400

Summary

CVE-2023-35921 is a vulnerability affecting SIMATIC MV540 H, SIMATIC MV540 S, SIMATIC MV550 H, SIMATIC MV550 S, SIMATIC MV560 U, and SIMATIC MV560 X devices with versions earlier than V3.3.4. These devices are unable to process specially crafted Ethernet frames properly, which could be exploited by an unauthenticated remote attacker to cause a denial of service. The affected devices need manual restart to recover from the attack. The base severity of this vulnerability is rated as HIGH with a CVSS score of 7.5, indicating a significant potential danger to organizations using these products.

Share

Explore Beyond the CVE Basics with Recorded Future's Vulnerability Intelligence

Note: This is just a basic overview providing quick insights into CVE-2023-35921 information. Gain full access to comprehensive CVE data, risk scores, prioritization, and mitigation data through Recorded Future's Vulnerability Intelligence:
  • Prioritize with Risk-Based Scoring
  • Explore the Extensive Vulnerability Database
  • Receive Early Alerts on Emerging CVEs
  • Focus on Critical Exploitable Vulnerabilities
  • Streamline Remediation with Integration Options