CVE-2020-27336 | BDVDB-2026-146346 Detail

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.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-125 Out-of-bounds Read

References#

Exploit#

No public exploit known

History#

Version 12020-12-22Record published in the CVE List.
Version 22025-09-30Most recent update recorded in the CVE List.

Published

Published: 2020-12-22
Last modified: 2025-09-30

Vendor information

Vendor: Not stated
Product: Not stated

Score

3.7 Low

EPSS

1.6%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 77.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

No version data in the source record.

Scoring System

CVSS v4.0

Not available

CVSS v3.1

3.7 Low

CVSS:3.1/AC:H/AV:N/A:N/C:L/I:N/PR:N/S:U/UI:N

Metric breakdown
Attack Complexity	High
Attack Vector	Network
Availability	None
Confidentiality	Low
Integrity	None
Privileges Required	None
Scope	Unchanged
User Interaction	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).