CVE-2016-6407

HIGH

Cisco Web Security Appliance AsyncOS through 9.5.0-444 - Denial of Service via HTTP Range Request Overlap

Title source: llm
STIX 2.1

Description

Cisco AsyncOS through 9.5.0-444 on Web Security Appliance (WSA) devices allows remote attackers to cause a denial of service (link saturation) by making many HTTP requests for overlapping byte ranges simultaneously, aka Bug ID CSCuz27219.

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1036829
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/92955

Scores

CVSS v3 7.5
EPSS 0.0248
EPSS Percentile 82.9%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-399
Status published
Products (41)
cisco/web_security_appliance 5.6.0-623
cisco/web_security_appliance 6.0.0-000
cisco/web_security_appliance 7.1.0
cisco/web_security_appliance 7.1.1
cisco/web_security_appliance 7.1.2
cisco/web_security_appliance 7.1.3
cisco/web_security_appliance 7.1.4
cisco/web_security_appliance 7.5.0-000
cisco/web_security_appliance 7.5.0-825
cisco/web_security_appliance 7.5.1-000
... and 31 more
Published Sep 17, 2016
Tracked Since Feb 18, 2026