CVE-2015-6271

Cisco IOS XE 2.1.0-2.4.3 and 2.5.0 - Denial of Service via Crafted SIP Packet

Title source: llm
STIX 2.1

Description

Cisco IOS XE 2.1.0 through 2.4.3 and 2.5.0 on ASR 1000 devices, when NAT Application Layer Gateway is used, allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted SIP packet, aka Bug IDs CSCta74749 and CSCta77008.

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1033410
Vendor Advisory vendor-advisory x_refsource_cisco
http://tools.cisco.com/security/center/viewAlert.x?alertId=40688

Scores

EPSS 0.0199
EPSS Percentile 78.6%

Details

CWE
CWE-399
Status published
Products (16)
cisco/ios_xe 2.1.0
cisco/ios_xe 2.1.1
cisco/ios_xe 2.1.2
cisco/ios_xe 2.1.3
cisco/ios_xe 2.2.1
cisco/ios_xe 2.2.2
cisco/ios_xe 2.2.3
cisco/ios_xe 2.3.0
cisco/ios_xe 2.3.0t
cisco/ios_xe 2.3.1t
... and 6 more
Published Aug 31, 2015
Tracked Since Feb 18, 2026