Vulnerability Description
Mikrotik RouterOs before stable version 6.47 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). NOTE: this is different from CVE-2020-20253 and CVE-2020-20254. All four vulnerabilities in the /nova/bin/lcdstat process are discussed in the CVE-2020-20250 github.com/cq674350529 reference.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mikrotik | Routeros | < 6.47 |
Related Weaknesses (CWE)
References
- https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-202ExploitThird Party Advisory
- https://mikrotik.com/Vendor Advisory
- https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-202ExploitThird Party Advisory
- https://mikrotik.com/Vendor Advisory
FAQ
What is CVE-2020-20250?
CVE-2020-20250 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Mikrotik RouterOs before stable version 6.47 suffers from a memory corruption vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service (NULL point...
How severe is CVE-2020-20250?
CVE-2020-20250 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-2020-20250?
Check the references section above for vendor advisories and patch information. Affected products include: Mikrotik Routeros.