CVE-2016-1407

HIGH

Cisco IOS XR through 5.3.2 - Denial of Service via LPTS Flow-Based Entry Exhaustion

Title source: llm

Description

Cisco IOS XR through 5.3.2 mishandles Local Packet Transport Services (LPTS) flow-base entries, which allows remote attackers to cause a denial of service (session drop) by making many connection attempts to open TCP ports, aka Bug ID CSCux95576.

References (2)

Core 2

Core References

Vendor Advisory vendor-advisory x_refsource_cisco

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160519-ios-xr

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1035934

Scores

CVSS v3 7.5

EPSS 0.0176

EPSS Percentile 75.4%

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-20

Status published

Products (50)

cisco/ios_xr 2.0.0

cisco/ios_xr 3.0.0

cisco/ios_xr 3.0.1

cisco/ios_xr 3.2.0

cisco/ios_xr 3.2.1

cisco/ios_xr 3.2.2

cisco/ios_xr 3.2.3

cisco/ios_xr 3.2.4

cisco/ios_xr 3.2.6

cisco/ios_xr 3.2.50

... and 40 more

Published May 25, 2016

Tracked Since Feb 18, 2026