CVE-2020-27827 — Vulnetix

CVE-2020-27827 PUBLISHED

A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.

EPSS 0.50% · 66.6th percentile

Risk Scores

EPSS Score

0.50%

66.6th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:18.04:LTS	lldpd	0, 0.9.8-1, 0.9.9-1
Ubuntu:20.04:LTS	lldpd	0, 1.0.4-1, 1.0.4-1build1
Ubuntu:20.04:LTS	openvswitch	2.13.0~git20200127.dbdf66c29-0ubuntu2, 2.12.90~git20200107.af683565b-0ubuntu2, 2.12.90~git20200107.af683565b-0ubuntu3
Ubuntu:25.10	lldpd	1.0.18-1build3, 1.0.18-1build4, 0
Ubuntu:16.04:LTS	lldpd	0, 0.7.16-1, 0.7.19-1
Ubuntu:22.04:LTS	lldpd	1.0.11-1, 1.0.12-1, 1.0.13-1
Ubuntu:24.04:LTS	lldpd	1.0.18-1, 1.0.18-1build3, 0
Ubuntu:18.04:LTS	openvswitch	2.9.5-0ubuntu0.18.04.1, 2.8.1-0ubuntu2, 0
Ubuntu:16.04:LTS	openvswitch	2.5.2-0ubuntu0.16.04.1, 2.4.0-0ubuntu4, 2.5.4-0ubuntu0.16.04.1

Exploit Intelligence

CVE-2022-32250.yara (github-yara)
CVE-2022-32250.yara (github-yara)
CVE-2022-32250.yara (github-yara)
CVE-2022-32250.yara (github-yara)
CVE-2022-32250.yara (github-yara)
CVE-2022-32250.yara (github-yara)
CVE-2022-32250.yara (github-yara)
CVE-2022-32250.yara (github-yara)

Timeline

Jan 13, 2021 CVE Published
Apr 14, 2021 EPSS Score
Jun 23, 2021 EPSS Score
Aug 24, 2021 EPSS Score
Dec 27, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Feb 28, 2022 EPSS Score
May 1, 2022 EPSS Score
Jul 3, 2022 EPSS Score
Sep 4, 2022 EPSS Score
Nov 6, 2022 EPSS Score

References

https://ubuntu.com/security/CVE-2020-27827 third-party-advisory
https://mail.openvswitch.org/pipermail/ovs-announce/2021-January/000269.html third-party-advisory
https://ubuntu.com/security/notices/USN-4691-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2020-27827 third-party-advisory

Open in Interactive Console →