CVE-2018-0171 on CISA KEV

A 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 de

01What CISA says about this vulnerability

A 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…

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• ics-cert.us-cert.gov — https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04
• www.securitytracker.com — http://www.securitytracker.com/id/1040580
• tools.cisco.com — https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2…
• www.darkreading.com — https://www.darkreading.com/perimeter/attackers-exploit-cisco-switch-issue-as-ve…
• ics-cert.us-cert.gov — https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05
• www.securityfocus.com — http://www.securityfocus.com/bid/103538

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
n	a / Cisco IOS and IOS XE	Cisco IOS and IOS XE

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

Open in Sigma generator →