What is CVE-2018-0472?

CVE-2018-0472 is a high-severity vulnerability in Cisco Adaptive Security Appliance (Asa) Software, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2018-10-05.

How severe is CVE-2018-0472?

High severity. CVSS v3 base score is 8.6 out of 10.

Improper input validation in Cisco Adaptive Security Appliance (Asa) Software

CVE-2018-0472

A vulnerability in the IPsec driver code of multiple Cisco IOS XE Software platforms and the Cisco ASA 5500-X Series Adaptive Security Appliance (ASA) could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to improper processing of malformed IPsec Authentication Header (AH) or Encapsulating Security Payload (ESP) packets. An attacker could exploit this vulnerability by sending malformed IPsec packets to be processed by an affected device. An exploit could allow the attacker to cause a reload of the affected device.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2018-10-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.162 (96.9th percentile), scored 2026-10-03.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.162 · newest: 0.162 · change: 0.000

Affected products

Cisco Adaptive Security Appliance (Asa) Software
Cisco iOS Xe — versions 16.8.1, 15.5\(3\)s5.36, 15.5(3)s5.36

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.securityfocus.com/bid/105418 (VDB Entry, Third Party Advisory, vdb-entry)
www.securitytracker.com/id/1041737 (VDB Entry, Third Party Advisory, vdb-entry)
www.securitytracker.com/id/1041735 (VDB Entry, Third Party Advisory, vdb-entry)
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926… (vendor-advisory, Vendor Advisory)
ics-cert.us-cert.gov/advisories/ICSA-19-094-04

Frequently asked questions

What is CVE-2018-0472?: CVE-2018-0472 is a high-severity vulnerability in Cisco Adaptive Security Appliance (Asa) Software, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2018-10-05.
How severe is CVE-2018-0472?: High severity. CVSS v3 base score is 8.6 out of 10.