VIR Vulnerability Intelligence Relay

CVE-2018-0173

unknown KEV
Published 2022-03-03 · Modified 2022-03-03
CVSS v3
—
CVSS v2
—
VIR risk
1.5

Description

A vulnerability in the Cisco IOS Software and Cisco IOS XE Software function that restores encapsulated option 82 information in DHCP Version 4 (DHCPv4) packets can allow for denial-of-service (DoS).

CISA KEV

Vendor
Cisco
Product
IOS and IOS XE Software
Due date
2022-03-17

Predictions

Exploit likelihood
99%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cisa-kev — https://nvd.nist.gov/vuln/detail/CVE-2018-0173

Exploits

References

Verify integrity in audit chain (admin only). AS-IS.