It was expected (and recommended in the security guide) that this Connector would be disabled if not required. In Apache Tomcat 9.0.0.M1 to 9.0.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99, Tomcat shipped with an AJP Connector enabled by default that listened on all configured IP addresses. If such connections are available to an attacker, they can be exploited in ways that may be surprising. Tomcat treats AJP connections as having higher trust than, for example, a similar HTTP connection. When using the Apache JServ Protocol (AJP), care must be taken when trusting incoming connections to Apache Tomcat. Please note that some of the information in the bulletin is compiled from external, open-source reports and is not a direct result of CISA analysis. Patch information is provided when available. This information may include identifying information, values, definitions, and related links. Low: vulnerabilities with a CVSS base score of 0.0–3.9Įntries may include additional information provided by organizations and efforts sponsored by CISA.Medium: vulnerabilities with a CVSS base score of 4.0–6.9.High: vulnerabilities with a CVSS base score of 7.0–10.0.The division of high, medium, and low severities correspond to the following scores: Vulnerabilities are based on the Common Vulnerabilities and Exposures (CVE) vulnerability naming standard and are organized according to severity, determined by the Common Vulnerability Scoring System (CVSS) standard. Please visit NVD for updated vulnerability entries, which include CVSS scores once they are available. In some cases, the vulnerabilities in the bulletin may not yet have assigned CVSS scores. The CISA Vulnerability Bulletin provides a summary of new vulnerabilities that have been recorded by the National Institute of Standards and Technology (NIST) National Vulnerability Database (NVD) in the past week.
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