The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

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.

Unspecified vulnerability in McAfee Email Anti-virus (formerly WebShield SMTP) allows remote attackers to cause a denial of service via unknown vectors.

McAfee Email and Web Security (EWS) 5.x before 5.5 Patch 6 and 5.6 before Patch 3, and McAfee Email Gateway (MEG) 7.0 before Patch 1, allows remote authenticated users to read arbitrary files via a crafted URL.

McAfee Email and Web Security (EWS) 5.x before 5.5 Patch 6 and 5.6 before Patch 3, and McAfee Email Gateway (MEG) 7.0 before Patch 1, does not disable the server-side session token upon the closing of the Management Console/Dashboard, which makes it easier for remote attackers to hijack sessions by capturing a session cookie and then modifying the response to a login attempt, related to a "Logout Failure" issue.

McAfee Email and Web Security (EWS) 5.x before 5.5 Patch 6 and 5.6 before Patch 3, and McAfee Email Gateway (MEG) 7.0 before Patch 1, allows remote authenticated users to obtain the session tokens of arbitrary users by navigating within the Dashboard.

McAfee Email and Web Security (EWS) 5.x before 5.5 Patch 6 and 5.6 before Patch 3, and McAfee Email Gateway (MEG) 7.0 before Patch 1, does not properly encrypt system-backup data, which makes it easier for remote authenticated users to obtain sensitive information by reading a backup file, as demonstrated by obtaining password hashes.

McAfee Email and Web Security (EWS) 5.x before 5.5 Patch 6 and 5.6 before Patch 3, and McAfee Email Gateway (MEG) 7.0 before Patch 1, allows remote authenticated users to reset the passwords of arbitrary administrative accounts via unspecified vectors.

McAfee Email and Web Security (EWS) 5.x before 5.5 Patch 6 and 5.6 before Patch 3, and McAfee Email Gateway (MEG) 7.0 before Patch 1, accesses files with the privileges of the root user, which allows remote authenticated users to bypass intended permission settings by requesting a file.

Cross-site scripting (XSS) vulnerability in McAfee Email and Web Security (EWS) 5.x before 5.5 Patch 6 and 5.6 before Patch 3, and McAfee Email Gateway (MEG) 7.0 before Patch 1, allows remote attackers to inject arbitrary web script or HTML via vectors related to the McAfee Security Appliance Management Console/Dashboard.