CVE-2018-18066
At a glance Severity HIGH 7.5 EPSS EPSS 3.59 % · percentile 89 (2026-10-27) State PUBLISHED Published 2018-10-08 Updated 2025-05-06 Assigner mitre NVD status Modified
Description snmp_oid_compare in snmplib/snmp_api.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an unauthenticated attacker to remotely cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.
Scores Version Score Vector Scored by CVSS 3.1 HIGH 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CISA-ADP CVSS 3.1 HIGH 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) CVSS 3.0 HIGH 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H NVD · nvd@nist.gov (Primary) CVSS 2.0 MEDIUM 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P NVD · nvd@nist.gov (Primary)
Weaknesses (CWE)
European references
CERT-FR advisories
Affected configurations (NVD CPE) cpe:2.3:a:net-snmp:net-snmp:*:*:*:*:*:*:*:* < 5.8cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:hyper_converged_infrastructure:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:storagegrid_webscale:-:*:*:*:*:*:*:*cpe:2.3:o:netapp:data_ontap:-:*:*:*:*:*:*:*cpe:2.3:o:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:* ≥ 11.0 ≤ 11.5cpe:2.3:o:netapp:solidfire_element_os:-:*:*:*:*:*:*:*
Affected products Product Versions affected n/a
References
Sources