Email security appliances

This hub aggregates every CVE we track for Email security appliances, a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.

Severity distribution

Monthly trend

The 12 most recently published vulnerabilities affecting Email security appliances.

• CVE-2022-20798Cisco Email Security Appliance and Cisco Secure Email and Web Manager External Authentication Bypass Vulnerability9.8Jun 15, 2022
• CVE-2019-1947Cisco Email Security Appliance Denial of Service Vulnerability8.6Sep 23, 2020
• CVE-2019-1983Cisco Email Security Appliance and Cisco Content Security Management Appliance Denial of Service Vulnerability5.3Sep 23, 2020
• CVE-2020-3181Cisco Email Security Appliance Uncontrolled Resource Exhaustion Vulnerability6.5Mar 4, 2020
• CVE-2020-3132Cisco Email Security Appliance Shortened URL Denial of Service Vulnerability5.9Feb 19, 2020
• CVE-2019-1955Cisco Email Security Appliance Header Injection Vulnerability7.5Aug 8, 2019
• CVE-2019-1933Cisco Email Security Appliance Content Filter Bypass Vulnerability5.8Jul 6, 2019
• CVE-2019-1921Cisco Email Security Appliance Content Filter Bypass Vulnerability5.8Jul 6, 2019
• CVE-2019-1905Cisco Email Security Appliance GZIP Content Filter Bypass Vulnerability5.8Jun 20, 2019
• CVE-2019-1844Cisco Email Security Appliance Filter Bypass Vulnerability5.3May 3, 2019
• CVE-2018-0419A vulnerability in certain attachment detection mechanisms of Cisco Email Security Appliances (ESA) could allow an unauthenticated, remote attacker to bypass the filtering functionality of an affec...7.5Aug 15, 2018
• CVE-2018-6922One of the data structures that holds TCP segments in all versions of FreeBSD prior to 11.2-RELEASE-p1, 11.1-RELEASE-p12, and 10.4-RELEASE-p10 uses an inefficient algorithm to reassemble the data. ...5.3Aug 9, 2018