21-026 (June 8, 2021)

* indicates a new version of an existing rule

Deep Packet Inspection Rules:

Alibaba Nacos
1010971* - Alibaba Nacos AuthFilter Authentication Bypass Vulnerability (CVE-2021-29441)


Directory Server LDAP
1010970* - OpenLDAP Slapd Search Parsing Denial Of Service Vulnerability (CVE-2021-27212)


Mail Server Exim
1010973* - Exim Mail Server Integer Overflow Vulnerability (CVE-2020-28020)


Microsoft Office
1010977 - Microsoft Office Remote Code Execution Vulnerability (CVE-2021-31176)


Web Client Common
1010974 - Adobe Acrobat And Reader Out-Of-Bounds Read Vulnerability (CVE-2021-28554)


Web Client Internet Explorer/Edge
1010981 - Microsoft Internet Explorer Remote Code Execution Vulnerability (CVE-2021-31959)


Web Server Miscellaneous
1010670* - Apache Struts2 Remote Code Execution Vulnerability (CVE-2020-17530)


Integrity Monitoring Rules:

There are no new or updated Integrity Monitoring Rules in this Security Update.


Log Inspection Rules:

1002795* - Microsoft Windows Events