SARA / Free Tools / CVE / CVE-2018-0189

CVE-2018-0189 — A vulnerability in the Forwarding Information Base (FIB) code of Cisco IOS Softw

A vulnerability in the Forwarding Information Base (FIB) code of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, network attacker to cause a denial of service (DoS) condition. The vulnerability is due to a limitation in the way the FIB is internally r

CVSS
— —
EPSS
0.34% (top 43.90%)
CWE
CWE-399
Published
2018-03-28T22:00:00.000Z
Last modified
2024-12-02T20:52:02.625Z
CVSS vector
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01What is this vulnerability?

A vulnerability in the Forwarding Information Base (FIB) code of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, network attacker to cause a denial of service (DoS) condition. The vulnerability is due to a limitation in the way the FIB is internally representing recursive routes. An attacker could exploit this vulnerability by injecting routes into the routing…

02Affected products

VendorProductVersions
na / Cisco IOS and IOS XECisco IOS and IOS XE

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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