Is CVE-2020-27336 actively exploited?

CVE-2020-27336 has no public evidence of in-the-wild exploitation as of 2025-09-30.

What is the CVSS score for CVE-2020-27336?

CVE-2020-27336 has a CVSS score of 3.7 (LOW severity). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

How do I patch CVE-2020-27336?

Patch guidance is available from treck security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-27336.

CVE-2020-27336 - remediation guidance & executive summary

Description

An issue was discovered in Treck IPv6 before 6.0.1.68. Improper input validation in the IPv6 component when handling a packet sent by an unauthenticated remote attacker could result in an out-of-bounds read of up to three bytes via network access.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector: network
Complexity: high
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: low
Integrity: none
Availability: none
Weaknesses: CWE-20 · Improper Input Validation CWE-125 · Out-of-bounds Read CWE-125 · Out-of-bounds Read

Metadata

Primary Vendor: TRECK
Published: 12/22/2020
Last Modified: 9/30/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2020-27336

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary