Vulnerability Details : CVE-2020-20252
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).
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2020-20252
- cpe:2.3:o:mikrotik:routeros:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-20252
0.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-20252
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-20252
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-20252
-
https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2020-20252/README.md
pocs_slides/README.md at master · cq674350529/pocs_slides · GitHubExploit;Third Party Advisory
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