CVE Tools

Cisco Web Security Appliance

19 CVEs tracked. None of them is in CISA KEV.

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

Cisco Web Security Appliance CVEs per month

Oct 2024 to Sep 2026. Point at a month, or focus the strip and use the arrow keys.
Cisco Web Security Appliance CVEs per month
MonthCVEs
2024-100
2024-110
2024-120
2025-010
2025-020
2025-030
2025-040
2025-050
2025-060
2025-070
2025-080
2025-090
2025-100
2025-110
2025-120
2026-010
2026-020
2026-030
2026-040
2026-050
2026-060
2026-070
2026-080
2026-090

Severity

How the 19 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.

  • Critical15%
  • High316%
  • Medium1579%

Latest CVEs

The 15 most recently published vulnerabilities affecting Cisco Web Security Appliance.

  1. CVE-2023-20032On Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed: A vulnerability in the HFS+ partition file parser of ClamAV versions 1.0.0 and earlier, 0.105.1 and e...9.8
  2. CVE-2022-20675Multiple Cisco Security Products Simple Network Management Protocol Service Denial of Service Vulnerability5.3
  3. CVE-2022-20781Cisco Web Security Appliance Stored Cross-Site Scripting Vulnerability5.4
  4. CVE-2022-20784Cisco Web Security Appliance Filter Bypass Vulnerability5.8
  5. CVE-2021-34749Multiple Cisco Products Server Name Identification Data Exfiltration Vulnerability5.8
  6. CVE-2021-1566Cisco Email Security Appliance and Cisco Web Security Appliance Certificate Validation Vulnerability7.4
  7. CVE-2021-1516Cisco Content Security Management Appliance, Email Security Appliance, and Web Security Appliance Information Disclosure Vulnerability4.3
  8. CVE-2021-1490Cisco Web Security Appliance Cross-Site Scripting Vulnerability4.7
  9. CVE-2021-1271Cisco Web Security Appliance Stored Cross-Site Scripting Vulnerability4.8
  10. CVE-2021-1129Cisco Email Security Appliance, Cisco Content Security Management Appliance, and Cisco Web Security Appliance Information Disclosure Vulnerability5.3
  11. CVE-2019-15969Cisco Web Security Appliance Management Interface Cross-Site Scripting Vulnerability6.1
  12. CVE-2020-3117Cisco Web Security Appliance and Cisco Content Security Management Appliance HTTP Header Injection Vulnerability4.7
  13. CVE-2020-3164Cisco ESA, Cisco WSA, and Cisco SMA GUI Denial of Service Vulnerability5.3
  14. CVE-2019-1886Cisco Web Security Appliance HTTPS Certificate Denial of Service Vulnerability8.6
  15. CVE-2019-1816Cisco Web Security Appliance Privilege Escalation Vulnerability7.8

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