CVE-2018-0171

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Summary

CVECVE-2018-0171
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-03-28 22:29:00 UTC
Updated2020-09-04 18:25:00 UTC
DescriptionA vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition, or to execute arbitrary code on an affected device. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted Smart Install message to an affected device on TCP port 4786. A successful exploit could allow the attacker to cause a buffer overflow on the affected device, which could have the following impacts: Triggering a reload of the device, Allowing the attacker to execute arbitrary code on the device, Causing an indefinite loop on the affected device that triggers a watchdog crash. Cisco Bug IDs: CSCvg76186.

Risk And Classification

EPSS: 0.930310000 probability, percentile 0.997840000 (date 2026-04-02)

CISA KEV: Listed on 2021-11-03; due 2022-05-03; ransomware use Unknown

Problem Types: CWE-787

CISA Known Exploited Vulnerability

VendorCisco
ProductIOS and IOS XE
NameCisco IOS and IOS XE Software Smart Install Remote Code Execution Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://nvd.nist.gov/vuln/detail/CVE-2018-0171

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Cisco Ios 15.2(5)e All All All
Operating System Cisco Ios 15.2\(5\)e All All All
Operating System Cisco Ios 15.2\(5\)e All All All

References

ReferenceSourceLinkTags
Cisco IOS/IOS XE Buffer Overflow in Processing Smart Install Packets Lets Remote Users Execute Arbitrary Code - SecurityTracker SECTRACK www.securitytracker.com Third Party Advisory, VDB Entry
Rockwell Automation Stratix and ArmorStratix Switches | CISA MISC ics-cert.us-cert.gov Third Party Advisory, US Government Resource
Malformed Request BID www.securityfocus.com Third Party Advisory, VDB Entry
Rockwell Automation Stratix Industrial Managed Ethernet Switch | ICS-CERT MISC ics-cert.us-cert.gov Third Party Advisory, US Government Resource
Cisco IOS and IOS XE Software Smart Install Remote Code Execution Vulnerability CONFIRM tools.cisco.com Vendor Advisory
Attackers Exploit Cisco Switch Issue as Vendor ... MISC www.darkreading.com Press/Media Coverage
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Legacy QID Mappings

  • 590338 Rockwell Automation Stratix and ArmorStratix Switches Multiple Vulnerabilities (ICSA-18-107-04)
  • 590339 Rockwell Automation Stratix Industrial Managed Ethernet Switch Multiple Vulnerabilities (ICSA-18-107-05)
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