CVE-2020-27336
An issue was discovered in Treck IPv6 before 6.0.1.68. Improper input validation in the IPv6...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2020-27336- CVSS 3.1
- 3.7 Low
CVSS:3.1/AC:H/AV:N/A:N/C:L/I:N/PR:N/S:U/UI:N - Weakness
- CWE-125
- Updated
- 2026-11-02
EUVDEUVD-2020-19849
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.
- Record
EUVD-2020-19849- CVSS 3.1
- 3.7 Low
CVSS:3.1/AC:H/AV:N/A:N/C:L/I:N/PR:N/S:U/UI:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-53cj-vhvg-mmqf
An issue was discovered in Treck IPv6 before 6.0.1.68. Improper input validation in the IPv6...
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.
- Record
GHSA-53cj-vhvg-mmqf- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-20, CWE-125
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2020-27336- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-20, CWE-125
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-27336 is a low vulnerability (CVSS 3.7) in Treck Ipv6, published December 22, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.73%, the 77th percentile. No source names a fixed version.