CVE-2016-6421

Published on: 10/05/2016 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:27:11 PM UTC

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

Certain versions of Ios Xr from Cisco contain the following vulnerability:

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.

  • CVE-2016-6421 has been assigned by [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 5.3 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE NONE LOW

CVSS2 Score: 5 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE NONE PARTIAL

CVE References

Description Tags Link
Cisco IOS XR Software CVE-2016-6421 Denial of Service Vulnerability cve.report (archive)
text/html
URL Logo BID 93212
Cisco IOS XR OSPF LSA Processing Flaw Lets Remote Users Cause the Target Service to Restart - SecurityTracker www.securitytracker.com
text/html
URL Logo SECTRACK 1036909
Cisco IOS XR Software Open Shortest Path First Link State Advertisement Denial of Service Vulnerability Vendor Advisory
tools.cisco.com
text/html
URL Logo CISCO 20160928 Cisco IOS XR Software Open Shortest Path First Link State Advertisement Denial of Service Vulnerability

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
CiscoIos Xr5.2.2AllAllAll
Operating
System
CiscoIos Xr5.2.2AllAllAll
  • cpe:2.3:o:cisco:ios_xr:5.2.2:*:*:*:*:*:*:*:
  • cpe:2.3:o:cisco:ios_xr:5.2.2:*:*:*:*:*:*:*: