Zero-friction vulnerability management platform

Mageni eases for you the vulnerability scanning, assessment, and management process. It is free and open-source.

Install Now

Available for macOS, Windows, and Linux

App screenshot

Cisco IOS XR Software OSPF Link State Advertisement PCE Vulnerability

Information

Severity

Severity

Medium

Family

Family

CISCO

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

6 years ago

Modified

Modified

3 years ago

Summary

A vulnerability in Open Shortest Path First (OSPF) Link State Advertisement (LSA) handling by Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.

Insight

Insight

The vulnerability is due to the number of OSPF Path Computation Elements (PCEs) that are configured for an OSPF LSA opaque area update. An attacker could exploit this vulnerability by sending a crafted OSPF LSA update to an affected device that is running the vulnerable software and OSPF configuration.

Affected Software

Affected Software

Cisco IOS XR Software Releases 4.1.1, 4.2.0, 4.2.3, 4.3.0, 4.3.2, 5.0.0, 5.1.0, 5.2.0, 5.2.2, 5.2.4, 5.3.0, and 5.3.2 are vulnerable.

Detection Method

Detection Method

Check the IOS XR Version

Solution

Solution

Cisco has released software updates that address this vulnerability.

Common Vulnerabilities and Exposures (CVE)