CVE-2020-3357 Information

Description

A vulnerability in the Secure Sockets Layer (SSL) VPN feature of Cisco Small Business RV340 RV340W RV345 and RV345P Dual WAN Gigabit VPN Routers could allow an unauthenticated remote attacker to execute arbitrary code on an affected device or cause the device to reload resulting in a denial of service (DoS) condition. The vulnerability exists because HTTP requests are not properly validated. An attacker could exploit this vulnerability by sending a crafted HTTP request over an SSL connection to an affected device. A successful exploit could allow the attacker to remotely execute arbitrary code on the device or cause the device to reload resulting in a DoS condition.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rce-dos-9ZAjkx4

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8