CVE-2018-0472

Cisco IOS XE Software and Cisco ASA 5500-X Series Adaptive Security Appliance IPsec Denial of Service Vulnerability

HIGH 8.6

At a glance

Source: NVD
EPSS: EPSS 16.22 % · percentile 97 (2026-10-28)
State: PUBLISHED
Published: 2018-10-05 14:00 UTC
Updated: 2024-11-26 14:38 UTC
Assigner: cisco
NVD status: Modified

Description

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.

Weaknesses (CWE)

CWE-20 — Improper Input Validation

References

Scores

Version	Score	Vector	Scored by
CVSS 3.0	HIGH 8.6	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H	NVD · nvd@nist.gov (Primary)
CVSS 2.0	HIGH 7.8	AV:N/AC:L/Au:N/C:N/I:N/A:C	NVD · nvd@nist.gov (Primary)

European references

ENISA EUVD · EUVD-2018-1295
GCVE · GCVE-0-2018-0472

CERT-FR advisories

CERTFR-2018-AVI-458 — Multiples vulnérabilités dans les produits Cisco · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:cisco:ios_xe:15.5\(3\)s5.36:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.8.1:*:*:*:*:*:*:*

Affected products

Product	Versions
Cisco · Cisco Adaptive Security Appliance (ASA) Software	affected n/a

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD