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VulnerabilityKnown exploitedExploit likelihood 99%
Cisco IOS and IOS XE Software Smart Install Remote Code Execution Vulnerability
CVE-2018-0171 · CISA KEV · November 3, 2021
Summary
Cisco IOS and IOS XE Software improperly validates packet data, allowing an unauthenticated, remote attacker to trigger a reload of an affected device, cause a denial-of-service (DoS) condition, or perform code execution on the affected device.
From CISA, quoted as published. Check the source before acting.
What to do
Apply updates per vendor instructions.
CISA required action, quoted.
Affected products
| Vendor | Product |
|---|---|
| Cisco | IOS and IOS XE |
Why it's on these mode pages
- Maritime: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Pipeline: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Freight rail: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Passenger rail and transit: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Highway and motor carrier: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Postal and parcel: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
Change history
- November 9, 2026: First collected by Watch
Securidigm Scout can match advisories like this one to the equipment on your own network, offline. securidigm.com