CVE-2020-27827 (GCVE-0-2020-27827)

Vulnerability from cvelistv5 – Published: 2021-03-18 00:00 – Updated: 2025-12-03 18:20
VLAI
Summary
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.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-04 13:38 UTC
CWE
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1021 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
n/a lldp/openvswitch Affected: lldpd 1.0.8, openvswitch 2.14.1, openvswitch 2.13.2, openvswitch 2.12.2, openvswitch 2.11.5, openvswitch 2.10.6, openvswitch 2.9.8, openvswitch 2.8.10, openvswitch 2.7.12, openvswitch 2.6.9
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        "state": "PUBLISHED"
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  }
}



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