Cisco Email Security Appliance (Esa)
30 CVEs tracked. None of them is in CISA KEV.
This hub aggregates every CVE we track for Cisco Email Security Appliance (Esa), a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.
Cisco Email Security Appliance (Esa) CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 0 |
| 2024-11 | 0 |
| 2024-12 | 0 |
| 2025-01 | 0 |
| 2025-02 | 0 |
| 2025-03 | 0 |
| 2025-04 | 0 |
| 2025-05 | 0 |
| 2025-06 | 0 |
| 2025-07 | 0 |
| 2025-08 | 0 |
| 2025-09 | 0 |
| 2025-10 | 0 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 0 |
| 2026-02 | 0 |
| 2026-03 | 0 |
| 2026-04 | 0 |
| 2026-05 | 0 |
| 2026-06 | 0 |
| 2026-07 | 0 |
| 2026-08 | 0 |
| 2026-09 | 0 |
Severity
How the 30 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- Critical1
- High9
- Medium20
Latest CVEs
The 15 most recently published vulnerabilities affecting Cisco Email Security Appliance (Esa).
- CVE-2023-20057A vulnerability in the URL filtering mechanism of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filter...4.7
- CVE-2022-20798Cisco Email Security Appliance and Cisco Secure Email and Web Manager External Authentication Bypass Vulnerability9.8
- CVE-2022-20664Cisco Email Security Appliance and Cisco Secure Email and Web Manager Information Disclosure Vulnerability7.7
- CVE-2022-20653Cisco Email Security Appliance DNS Verification Denial of Service Vulnerability7.5
- CVE-2021-34741Cisco Email Security Appliance Denial of Service Vulnerability7.5
- CVE-2021-1534Cisco Email Security Appliance URL Filtering Bypass Vulnerability5.8
- CVE-2020-3568Cisco Email Security Appliance URL Filtering Bypass Vulnerability5.8
- CVE-2019-1947Cisco Email Security Appliance Denial of Service Vulnerability8.6
- CVE-2019-1983Cisco Email Security Appliance and Cisco Content Security Management Appliance Denial of Service Vulnerability5.3
- CVE-2020-3133Cisco Email Security Appliance Content Filter Bypass Vulnerability7.5
- CVE-2020-3137Cisco Email Security Appliance Cross-Site Scripting Vulnerability6.1
- CVE-2020-3546Cisco Email Security Appliance Information Disclosure Vulnerability5.3
- CVE-2020-3447Cisco Email Security Appliance and Cisco Content Security Management Appliance Information Disclosure Vulnerability5.5
- CVE-2020-3370Cisco Content Security Management Appliance Filter Bypass Vulnerability5.8
- CVE-2020-3368Cisco Email Security Appliance URL Filtering Bypass Vulnerability5.8
Product grouping is registry-driven, with AI assist and human review. How it works