CVSS 3.1 Score 4.3 of 10 (medium)


Published Aug 2, 2023
Updated: Jan 12, 2024
CWE ID 918
CWE ID 367


CVE-2023-26438 is a vulnerability that affects external service lookups for multiple protocols. The vulnerability involves a time-of-check/time-of-use weakness in the JDK DNS cache, allowing attackers to bypass network deny-lists by injecting configuration during the cache expiry. This weakness can be exploited to discover restricted network infrastructure and service availability. The affected products include r_8QfP, r_8QfS, and tz2RII. To remediate this vulnerability, improvements have been made to include deny-lists during both the check of connection data and its use. No publicly available exploits are known at this time. The vulnerability has a base severity of MEDIUM, with low privileges required and no user interaction necessary.

Leverage our Vulnerability Intelligence module to secure your systems now - get detailed insights on CVE-2024-37364. Book your demo today.


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

Note: This is just a basic overview providing quick insights into CVE-2023-26438 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