CVEvulnerability
CVE-2019-1817
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2019-05-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.0 ([email protected])
- 8.6 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-20
Description
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.
Affected configurations
• cisco web security appliance 11.5.1-fcs-115
• cisco web security appliance 11.5.1-fcs-124
• cisco web security appliance 11.5.1-fcs-125
• cisco web security appliance 11.7.0-fcs-334
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness