An arbitrary code execution vulnerability was found in the F-Secure Support Tool. A standard user can craft a special configuration file, which when run by administrator can execute any commands.

Apache Log4j2 versions 2.0-alpha1 through 2.16.0 (excluding 2.12.3 and 2.3.1) did not protect from uncontrolled recursion from self-referential lookups. This allows an attacker with control over Thread Context Map data to cause a denial of service when a crafted string is interpreted. This issue was fixed in Log4j 2.17.0, 2.12.3, and 2.3.1.

The F-Secure AV parsing engine before 2020-02-05 allows virus-detection bypass via crafted Compression Method data in a GZIP archive. This affects versions before 17.0.605.474 (on Linux) of Cloud Protection For Salesforce, Email and Server Security, and Internet GateKeeper.

SQL injection vulnerability in an unspecified DLL in the FSDBCom ActiveX control in F-Secure Anti-Virus for Microsoft Exchange Server before HF02, Anti-Virus for Windows Servers 9.00 before HF09, Anti-Virus for Citrix Servers 9.00 before HF09, and F-Secure Email and Server Security and F-Secure Server Security 9.20 before HF01 allows remote attackers to execute arbitrary SQL commands via unknown vectors, related to GetCommand.