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.
CVE-2018-0132
Score 8.6 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 8.6; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.6
- EG Score
- 8.6(medium)
- EPSS
- 81.6%
- KEV
- Not listed
Published
February 8, 2018
Last Modified
November 21, 2024
References (6)
- psirt@ciscohttp://www.securityfocus.com/bid/102975
- psirt@ciscohttp://www.securitytracker.com/id/1040344
- psirt@ciscohttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180207-iosxr
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/102975
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1040344
- af854a3a-2127-422b-91ae-364da2661108https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180207-iosxr
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 12× in last 7d / 43× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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- 2026-05-28 11:48 UTCEG score recompute
- 2026-05-28 11:47 UTCGHSA enrichment
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Related CVEs(same CWE)
Same CWE
10 shownCWE-119
Frequently asked(5)
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Dependency Blast Radius
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