VULNERABILITY INTELLIGENCE

CVE-2015-6271

CVSS score7.8 HIGH
EPSS probability1.99%
CISA KEVNot currently listed
Published2015-08-31
Last modified2026-06-17
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:C

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.

Primary references