Vulnerability Description
Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
CVSS Score
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mikrotik | Routeros | < 6.47 |
Related Weaknesses (CWE)
References
- http://seclists.org/fulldisclosure/2021/May/14ExploitMailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2021/May/14ExploitMailing ListThird Party Advisory
- https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_lcdstatBroken LinkThird Party Advisory
- http://seclists.org/fulldisclosure/2021/May/14ExploitMailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2021/May/14ExploitMailing ListThird Party Advisory
- https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_lcdstatBroken LinkThird Party Advisory
FAQ
What is CVE-2020-20254?
CVE-2020-20254 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service (NULL pointe...
How severe is CVE-2020-20254?
CVE-2020-20254 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-20254?
Check the references section above for vendor advisories and patch information. Affected products include: Mikrotik Routeros.