Is CVE-2020-27337 actively exploited?

CVE-2020-27337 has no public evidence of in-the-wild exploitation as of 2025-09-30.

What is the CVSS score for CVE-2020-27337?

CVE-2020-27337 has a CVSS score of 7.3 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

How do I patch CVE-2020-27337?

Patch guidance is available from treck security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-27337.

Fix CVE-2020-27337 - HIGH treck ipv6

Description

An issue was discovered in Treck IPv6 before 6.0.1.68. Improper Input Validation in the IPv6 component allows an unauthenticated remote attacker to cause an Out of Bounds Write, and possibly a Denial of Service via network access.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: low
Integrity: low
Availability: low
Weaknesses: CWE-20 · Improper Input Validation CWE-787 · Out-of-bounds Write CWE-787 · Out-of-bounds Write

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-2020-27337

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary