Vulnerability Database

289,697

Total vulnerabilities in the database

CVE-2019-1817

A vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliance could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper validation of HTTP and HTTPS requests. An attacker could exploit this vulnerability by sending a malformed HTTP or HTTPS request to an affected device. An exploit could allow the attacker to cause a restart of the web proxy process, resulting in a temporary DoS condition.

  • Published: May 3, 2019
  • Updated: Apr 13, 2023
  • CVE: CVE-2019-1817
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
cisco / web_security_appliance 11.5.1-fcs-115 11.5.1-fcs-115.x
cisco / web_security_appliance 11.5.1-fcs-124 11.5.1-fcs-124.x
cisco / web_security_appliance 11.5.1-fcs-125 11.5.1-fcs-125.x
cisco / web_security_appliance 11.7.0-fcs-334 11.7.0-fcs-334.x