Track vulnerabilities like this one.
Sign up free to get alerted when software you use is affected.
6.5
CVE-2020-20231: Mikrotik RouterOs through stable version 6.48.3 suffers from a memory corruption vulnerability in the /nova/bin/detnet process. An authenticated remote attacker can cause a Denial of Service (NULL ...
CVE-2020-20231 · published 5 years ago
Summary
Mikrotik RouterOs through stable version 6.48.3 suffers from a memory corruption vulnerability in the /nova/bin/detnet process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| mikrotik | routeros |
>= 6.44.6, <= 6.48.3 cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:* |
Original advisory text
Mikrotik RouterOs through stable version 6.48.3 suffers from a memory corruption vulnerability in the /nova/bin/detnet process. An authenticated remote attacker can cause a Denial of Service (NULL ...
Mikrotik RouterOs through stable version 6.48.3 suffers from a memory corruption vulnerability in the /nova/bin/detnet process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
References
- https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-202... Exploit Third Party Advisory
- https://mikrotik.com/ Vendor Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker partial control (estimated)
Type
CWE-476NULL Pointer Dereference
CWE-787Out-of-bounds Write
Timeline
Published14 Jul 2021
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2020-20231 · NVD
Track software like this
Free during beta