CVE-2016-6421

MEDIUM

Cisco IOS XR 5.2.2 - Denial of Service via Crafted OSPF LSA Update

Title source: llm

Description

Cisco IOS XR 5.2.2 allows remote attackers to cause a denial of service (process restart) via a crafted OSPF Link State Advertisement (LSA) update, aka Bug ID CSCvb05643.

References (3)

Core 3

Core References

Vendor Advisory vendor-advisory x_refsource_cisco

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-ospf

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/93212

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1036909

Scores

CVSS v3 5.3

EPSS 0.0160

EPSS Percentile 73.2%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Details

CWE

CWE-399

Status published

Products (1)

cisco/ios_xr 5.2.2

Published Oct 05, 2016

Tracked Since Feb 18, 2026