CVE-2018-0161 · Severity: critical · CVSS 6.3 · Exploited in the wild · Published 2022-03-03
A vulnerability in the SNMP subsystem of Cisco IOS Software on certain Catalyst switches allows an authenticated, remote attacker to cause a denial-of-service (DoS) condition. The issue occurs when processing an SNMP read request for the ciscoFlashMIB object ID (OID), which can trigger a SYS-3-CPUHOG and cause the device to restart.
Yes. CVE-2018-0161 is known to be exploited in the wild, first recorded on 3 March 2022. Treat it as urgent.
How severe is CVE-2018-0161?
Critical severity, with a CVSS score of 6.3, published 3 March 2022.
Which products and versions are affected?
Cisco IOS 15.2(5)E; Cisco Catalyst 2960-L Series Switches; Cisco Catalyst Digital Building Series Switches 8P; Cisco Catalyst Digital Building Series Switches 8U.
Is there a fix for CVE-2018-0161?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2018-0161 attacked?
It is attacked over the network, in an operating system.
Am I affected by CVE-2018-0161?
Check whether you run Cisco IOS, Cisco Ios Software or Cisco IOS XE. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
Cisco IOS 15.2(5)E
Cisco Catalyst 2960-L Series Switches
Cisco Catalyst Digital Building Series Switches 8P
Cisco Catalyst Digital Building Series Switches 8U
Timeline
2018-03-28: advisory: Initial Cisco advisory published
2022-03-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog