CVE-2018-0132

Name: CVE-2018-0132
Creator: NVD / NIST
Published: 2018-02-08T07:29:00.79+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.34%

Last modified Jun 17, 2026

CVE-2018-0132 is a vulnerability of currently unknown severity. A vulnerability in the forwarding information base (FIB) code of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause inconsistency between the routing information base (RIB) and the FIB, resulting in a denial of service (DoS) condition. The vulnerability is due to incorrect processing of extremely long routing updates. EPSS estimates a 2.34% chance of exploitation in the next 30 days.

Description

A vulnerability in the forwarding information base (FIB) code of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause inconsistency between the routing information base (RIB) and the FIB, resulting in a denial of service (DoS) condition. The vulnerability is due to incorrect processing of extremely long routing updates. An attacker could exploit this vulnerability by sending a large routing update. A successful exploit could allow the attacker to trigger inconsistency between the FIB and the RIB, resulting in a DoS condition. Cisco Bug IDs: CSCus84718.

Metrics

EPSS Probability

2.34%

81.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Carrier Routing System	5.3.0.rout

References

http://www.securityfocus.com/bid/102975Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040344Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180207-iosxrVendor Advisory
http://www.securityfocus.com/bid/102975Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040344Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180207-iosxrVendor Advisory

Timeline

Published: Feb 8, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-0132?

How severe is CVE-2018-0132?

Severity scoring for CVE-2018-0132 is pending analysis. The EPSS model estimates a 2.34% probability of exploitation in the next 30 days.

How do I fix CVE-2018-0132?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-0132?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST