CVE-2019-20892 — Vulnetix

CVE-2019-20892 PUBLISHED

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.

EPSS 0.85% · 75.3th percentile

Risk Scores

EPSS Score

0.85%

75.3th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:20.04:LTS	net-snmp	0, 5.7.3+dfsg-5ubuntu5, 5.7.3+dfsg-5ubuntu6

Exploit Intelligence

http://www.openwall.com/lists/oss-security/2020/06/25/4 (nist-nvd)
https://bugs.launchpad.net/ubuntu/+source/net-snmp/+bug/1877027 (nist-nvd)
https://bugzilla.redhat.com/show_bug.cgi?id=1663027 (nist-nvd)
https://sourceforge.net/p/net-snmp/bugs/2923/ (nist-nvd)

Timeline

Jun 25, 2020 CVE Published
Apr 14, 2021 EPSS Score
Jun 23, 2021 EPSS Score
Aug 24, 2021 EPSS Score
Oct 26, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Feb 28, 2022 EPSS Score
Apr 1, 2022 EPSS Score
May 1, 2022 EPSS Score
Jul 3, 2022 EPSS Score
Sep 4, 2022 EPSS Score

References

https://ubuntu.com/security/CVE-2019-20892 third-party-advisory
https://www.openwall.com/lists/oss-security/2020/06/25/4 third-party-advisory
http://www.openwall.com/lists/oss-security/2020/06/25/4 third-party-advisory
https://ubuntu.com/security/notices/USN-4410-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2019-20892 third-party-advisory

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