CVSS 3.1 Score 5.4 of 10 (medium)


Published Jan 9, 2024
Updated: Jan 18, 2024
CWE ID 838


CVE-2023-5770 is a vulnerability found in Proofpoint Enterprise Protection. It allows an unauthenticated attacker to inject improperly encoded HTML into the email body through the email subject. This vulnerability affects Proofpoint Enterprise Protection versions 8.20.2, 8.20.0, and 8.18.6, as well as all prior versions that have not been patched. The base severity of this vulnerability is medium, with a base score of 5.4 according to NIST's National Vulnerability Database (NVD). The exploitability score is 2.8, and user interaction is required for the attack to be successful. While the integrity and confidentiality impact are low, the potential danger lies in the unauthorized injection of HTML code into emails, which could lead to various malicious activities or compromise sensitive information within an organization.

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

Note: This is just a basic overview providing quick insights into CVE-2023-5770 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