CVEvulnerability

CVE-2018-0410

8.6 HIGH Published 2018-08-15 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-08-15
Last modified
2026-06-17
Assigner
[email protected]
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])
7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C
Weaknesses
CWE-400

Description

A vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliances could allow an unauthenticated, remote attacker to exhaust system memory and cause a denial of service (DoS) condition on an affected system. The vulnerability exists because the affected software improperly manages memory resources for TCP connections to a targeted device. An attacker could exploit this vulnerability by establishing a high number of TCP connections to the data interface of an affected device via IPv4 or IPv6. A successful exploit could allow the attacker to exhaust system memory, which could cause the system to stop processing new connections and result in a DoS condition. System recovery may require manual intervention. Cisco Bug IDs: CSCvf36610.

Affected configurations

• cisco web security appliance 9.1.1-074 • cisco web security appliance 9.1.2-010 • cisco web security appliance 9.1.2-022 • cisco web security appliance 9.1.2-039 • cisco web security appliance 10.1.0-204 • cisco web security appliance 10.1.1-235 • cisco web security appliance 10.5.1-270 • cisco web security appliance 10.5.1-296 • cisco web security appliance 10.5.2-042 • cisco web security appliance 11.0.0-641

Related

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References