Archived Content
In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.Apache Releases Security Advisory for Tomcat
Last Revised
The Apache Software Foundation has released a security advisory to address a vulnerability in multiple versions of Tomcat. An attacker could exploit this vulnerability to cause a denial of service condition.
CISA encourages users and administrators to review Apache’s security advisory for CVE-2021-42340 and apply the necessary updates.
This product is provided subject to this Notification and this Privacy & Use policy.