CVE-2018-0154
HIGH KEVCisco IOS - Unauthenticated Denial of Service via Crafted VPN Traffic
Title source: llmExploitation Summary
CVE-2018-0154 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added March 3, 2022.
Description
A vulnerability in the crypto engine of the Cisco Integrated Services Module for VPN (ISM-VPN) running Cisco IOS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient handling of VPN traffic by the affected device. An attacker could exploit this vulnerability by sending crafted VPN traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to hang or crash, resulting in a DoS condition. Cisco Bug IDs: CSCvd39267.
References (4)
Core 4
Core References
US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0154
Broken Link, Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/103559
Vendor Advisory x_refsource_confirm
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-dos
Broken Link, Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1040585
Scores
CVSS v3
7.5
EPSS
0.1169
EPSS Percentile
93.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
active
Automatable
yes
Technical Impact
partial
Details
CISA KEV
2022-03-03
VulnCheck KEV
2022-03-03
InTheWild.io
2022-03-03
ENISA EUVD
EUVD-2018-0977
CWE
CWE-399
Status
published
Products (1)
cisco/ios
Published
Mar 28, 2018
KEV Added
Mar 03, 2022
Tracked Since
Feb 18, 2026