CVE-2020-27337
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 allows an unauthenticated remote attacker to cause an Out of Bounds Write, and possibly a Denial of Service via network access.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
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 allows an unauthenticated remote attacker to cause an Out of Bounds Write, and possibly a Denial of Service via network access.
- Record
CVE-2020-27337- CVSS 3.1
- 7.3 High
CVSS:3.1/AC:L/AV:N/A:L/C:L/I:L/PR:N/S:U/UI:N - Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2020-19850
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.
- Record
EUVD-2020-19850- CVSS 3.1
- 7.3 High
CVSS:3.1/AC:L/AV:N/A:L/C:L/I:L/PR:N/S:U/UI:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-8cmf-w78x-mr9c
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 allows an unauthenticated remote attacker to cause an Out of Bounds Write, and possibly a Denial of Service via network access.
- Record
GHSA-8cmf-w78x-mr9c- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-20, CWE-787
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2020-27337- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20, CWE-787
- 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-2020-27337 is a high vulnerability (CVSS 7.3) 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 1.48%, the 73rd percentile. No source names a fixed version.