THREATPORT/VULNERABILITY/CVE-2020-27827
HIGH SEVERITY

CVE-2020-27827

Lldpd vulnerability

CVSS
7.5
EPSS
3.2%
EPSS pct
87th
Exploited
No known
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.
Affected vendor
Lldpd Project
Affected product
Lldpd
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type (CWE)
  • CWE-400 — Uncontrolled Resource Consumption
Published
2021-03-18

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 3.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2020-27827

  • Confirm whether Lldpd Project Lldpd is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-27827.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-27827

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-27827 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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