SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-18066

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.

HIGH 7.5EPSS 3.59%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.59%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
3.59% probability · 89th percentile
CISA KEV
Not listed
Weakness
CWE-476
Affected
net-snmp/net-snmp · netapp/cloud backup · netapp/hyper converged infrastructure · netapp/storagegrid webscale · netapp/data ontap · netapp/e-series santricity os controller · netapp/solidfire element os
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.