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

CVE-2018-0161: Cisco IOS Software Resource Management Errors Vulnerability

criticalknown exploitedCVE-2018-0161
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 Simple Network Management Protocol (SNMP) subsystem of Cisco IOS Software running on certain models of Cisco Catalyst Switches could allow an authenticated, remote attacker to cause a denial-of-service (DoS) condition.

CSIRTS triage

What
A vulnerability in the SNMP subsystem could allow an authenticated, remote attacker to cause a denial-of-service (DoS) condition.
Who is affected
Users of certain models of Cisco Catalyst Switches running IOS Software are affected by this vulnerability.
Urgency
Immediate remediation is necessary due to the critical nature of the vulnerability and confirmed exploitation.
Action
Apply the latest patches for Cisco IOS Software.

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-2018-0161

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-2018-0161coverage & 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