CVEvulnerability
CVE-2020-20266
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-05-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.0 MEDIUM — AV:N/AC:L/Au:S/C:N/I:N/A:P
- Weaknesses
- CWE-476, CWE-787
Description
Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/dot1x process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
Affected configurations
• mikrotik routeros (< 6.47)
Related
References
- https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_dot1x/README.md Broken Link, Third Party Advisory
- https://seclists.org/fulldisclosure/2021/May/11 Exploit, Mailing List, Third Party Advisory
- https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_dot1x/README.md Broken Link, Third Party Advisory
- https://seclists.org/fulldisclosure/2021/May/11 Exploit, Mailing List, Third Party Advisory