CVE-2018-0161 KEV
Patch first
On CISA KEV — known exploited in the wild, due 2022-03-17.
Description
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, aka a GET MIB Object ID Denial of Service Vulnerability. The vulnerability is due to a condition that could occur when the affected software processes an SNMP read request that contains a request for the ciscoFlashMIB object ID (OID). An attacker could trigger this vulnerability by issuing an SNMP GET request for the ciscoFlashMIB OID on an affected device. A successful exploit could cause the affected device to restart due to a SYS-3-CPUHOG. This vulnerability affects the following Cisco devices if they are running a vulnerable release of Cisco IOS Software and are configured to use SNMP Version 2 (SNMPv2) or SNMP Version 3 (SNMPv3): Cisco Catalyst 2960-L Series Switches, Cisco Catalyst Digital Building Series Switches 8P, Cisco Catalyst Digital Building Series Switches 8U. Cisco Bug IDs: CSCvd89541.
Scoring
| CVSS | 6.3 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H |
| EPSS | 4.12% — more likely to be exploited than 90% of all CVEs |
| Weakness | CWE-399 |
| On CISA KEV | yes — remediate by 2022-03-17 |
| Public exploit | none known |
| Published | 2018-03-28 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Cisco IOS Software Resource Management Errors Vulnerability |
|---|---|
| Added | 2022-03-03 |
| Due | 2022-03-17 |
| Vendor / product | Cisco / IOS Software |
| Ransomware use | none reported |
Affected (15)
| Vendor | Product |
|---|---|
| cisco | catalyst 2960l-16ps-ll |
| cisco | catalyst 2960l-16ts-ll |
| cisco | catalyst 2960l-24pq-ll |
| cisco | catalyst 2960l-24ps-ll |
| cisco | catalyst 2960l-24tq-ll |
| cisco | catalyst 2960l-24ts-ll |
| cisco | catalyst 2960l-48pq-ll |
| cisco | catalyst 2960l-48ps-ll |
| cisco | catalyst 2960l-48tq-ll |
| cisco | catalyst 2960l-48ts-ll |
| cisco | catalyst 2960l-8ps-ll |
| cisco | catalyst 2960l-8ts-ll |
| cisco | catalyst digital building series switches-8p |
| cisco | catalyst digital building series switches-8u |
| cisco | ios |
References
- http://www.securityfocus.com/bid/103573
- http://www.securitytracker.com/id/1040589
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-snmp
- http://www.securityfocus.com/bid/103573
- http://www.securitytracker.com/id/1040589
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-snmp
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0161
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