CVE-2020-27827
7.5 · HIGHOverview
CVE-2020-27827 is a high-severity vulnerability affecting lldpd_project lldpd. It was published on March 18, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from lldpd_project. Update lldpd to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| lldpd_project | lldpd | >= 0, < 1.0.8 | Affected |
| openvswitch | openvswitch | >= 2.6.0, < 2.6.9 | Affected |
| siemens | simatic_hmi_unified_comfort_panels_firmware | >= 0, < 17 | Affected |
References
Frequently Asked Questions
What is CVE-2020-27827?
CVE-2020-27827 is a high-severity vulnerability affecting lldpd_project lldpd. It was published on March 18, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2020-27827?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-27827?
Check the references section for vendor advisories and patches from lldpd_project. Update lldpd to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-27827?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-27827 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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