All vulnerabilities
CVE-2018-0171

Cisco IOS and IOS XE Software Smart Install Remote Code Execution Vulnerability

Cisco IOS and IOS XEOperating systems
Open in ThreatlineRecord JSON
CVSS
7.5High
ExploitationExploited in the wildAdded to KEV 3 Nov 2021CISA KEV
Exploit odds (EPSS)99.5%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline3 May 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 28 Mar 2018, 22:00 UTCPublishedCVE List
  2. 29 Mar 2018Exploit code publicExploit-DB
  3. 3 Nov 2021Added to CISA KEVCISA KEV

Public exploit code and templates 2

  • Dos exploitCisco Smart Install - Crash (PoC) 29 Mar 2018Exploit-DB
  • Scanner templateCisco Smart Install - Configuration DownloadNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

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.

Text from CVE List

Affected versions 1

  • Cisco IOS and IOS XEaffected: Cisco IOS and IOS XECVE List

References 6