CVE-2019-20892
6.5
MEDIUM
CVSS 3.1
EPSS 0.85%
Description
net-snmp before 5.8.1.pre1 has a double free in usm_free_usmStateReference in snmplib/snmpusm.c via an SNMPv3 GetBulk request. NOTE: this affects net-snmp packages shipped to end users by multiple Linux distributions, but might not affect an upstream release.
How to fix CVE-2019-20892
To remediate CVE-2019-20892, upgrade the affected package to a fixed version below.
- Alpine/net-snmp—upgrade to 5.8-r0 or later
- —upgrade to 5.8+dfsg-3 or later
Is CVE-2019-20892 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 5.8-r0
- from 0, < 5.8+dfsg-3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |