CVE-2020-22844
HIGHCVSS 7.5/10EPSS 1.19%
Last modified
CVE-2020-22844 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A buffer overflow in Mikrotik RouterOS 6.47 allows unauthenticated attackers to cause a denial of service (DOS) via crafted SMB requests.. EPSS estimates a 1.19% chance of exploitation in the next 30 days.
Description
A buffer overflow in Mikrotik RouterOS 6.47 allows unauthenticated attackers to cause a denial of service (DOS) via crafted SMB requests.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mikrotik | Routeros | 6.47 |
References
- https://github.com/colorlight/mikrotik_poc/blob/master/two_vulns.mdThird Party Advisory
- https://mikrotik.com/supportVendor Advisory
- https://github.com/colorlight/mikrotik_poc/blob/master/two_vulns.mdThird Party Advisory
- https://mikrotik.com/supportVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-22844?
A buffer overflow in Mikrotik RouterOS 6.47 allows unauthenticated attackers to cause a denial of service (DOS) via crafted SMB requests.
How severe is CVE-2020-22844?
CVE-2020-22844 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.19% probability of exploitation in the next 30 days.
How do I fix CVE-2020-22844?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-22844?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST