CVE-2015-6386: Medium severity cisco web security appliance vulnerability

Published Dec 1, 2015

Updated

The passthrough FTP feature on Cisco Web Security Appliance (WSA) devices with software 8.0.7-142 and 8.5.1-021 allows remote attackers to cause a denial of service (CPU consumption) via FTP sessions in which the control connection is ended after data transfer, aka Bug ID CSCut94150.

Affected Software

2 affected components

Cisco Web Security Appliance=8.0.7-142

Cisco Web Security Appliance=8.5.1-021

Event History

Dec 1, 2015

CVE Published

via MITRE·11:00 AM

Data Sourced

via MITRE·11:00 AM

Description

Frequently Asked Questions

What is the severity of CVE-2015-6386?

CVE-2015-6386 has a severity rating classified as high due to its potential to cause denial of service.

How do I fix CVE-2015-6386?

To fix CVE-2015-6386, upgrade your Cisco Web Security Appliance to a version beyond 8.0.7-142 and 8.5.1-021.

What devices are affected by CVE-2015-6386?

CVE-2015-6386 affects Cisco Web Security Appliance devices running software versions 8.0.7-142 and 8.5.1-021.

What type of attack does CVE-2015-6386 allow?

CVE-2015-6386 allows remote attackers to exploit vulnerable FTP sessions to cause excessive CPU consumption leading to denial of service.

Is CVE-2015-6386 related to FTP sessions?

Yes, CVE-2015-6386 specifically involves vulnerabilities in the passthrough FTP feature of Cisco Web Security Appliances.