CSIRTS // UNIFIED SECURITY ADVISORY FEEDSYS ● ONLINE · POWERED BY INTELFUSIONS.COM

← Back to feed

CVE-2018-0154: Cisco IOS Software Integrated Services Module for VPN Denial-of-Service Vulnerability

criticalknown exploitedCVE-2018-0154
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Ciscoproduct: IOS SoftwareDenial of service
What
A vulnerability in the crypto engine of the Cisco Integrated Services Module for VPN could allow an unauthenticated, remote attacker to cause a denial-of-service condition.
Who is affected
Users of Cisco Integrated Services Module for VPN running Cisco IOS Software.
Urgency
Immediate remediation is required due to active exploitation and critical severity.
Action
Apply the latest patches from Cisco.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch IOS Software

Get an email when a new IOS Software advisory drops — max one per day, one-click unsubscribe.

Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-03-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2018-0154

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2018-0154coverage & exploitation statusNVD · CVE.org

Recent advisories for Cisco IOS Software

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CISA Known Exploited Vulnerabilities