CVE-2017-3870

MEDIUM

Cisco AsyncOS - Auth Bypass

Title source: llm

Description

A vulnerability in the URL filtering feature of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to bypass a configured URL filter rule. Affected Products: This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA), both virtual and hardware appliances, that are configured with URL filters for email scanning. More Information: CSCvc69700. Known Affected Releases: 8.5.3-069 9.1.1-074 9.1.2-010.

Scores

CVSS v3 5.8
EPSS 0.0025
EPSS Percentile 48.4%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Classification

CWE
CWE-119
Status published

Affected Products (4)

cisco/web_security_appliance
cisco/web_security_appliance
cisco/web_security_appliance
n/a/Cisco Web Security Appliance < Cisco Web Security Appliance

Timeline

Published Mar 17, 2017
Tracked Since Feb 18, 2026