CyberRota Analysis
This is a low severity vulnerability with a CVSS score of 3.7. It affects Apache.
CVE
CVE-2021-43980
Severity
LOW
CVSS
3.7
EPSS
1.98%
Apache
Original NVD Description
The simplified implementation of blocking reads and writes introduced in Tomcat 10 and back-ported to Tomcat 9.0.47 onwards exposed a long standing (but extremely hard to trigger) concurrency bug in Apache Tomcat 10.1.0 to 10.1.0-M12, 10.0.0-M1 to 10.0.18, 9.0.0-M1 to 9.0.60 and 8.5.0 to 8.5.77 that could cause client connections to share an Http11Processor instance resulting in responses, or part responses, to be received by the wrong client.
Related CVEs
Other vulnerabilities affecting the same vendor(s)