Vulnerability Details : CVE-2020-20220
Potential exploit
Mikrotik RouterOs prior to stable 6.47 suffers from a memory corruption vulnerability in the /nova/bin/bfd process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
Vulnerability category: OverflowMemory CorruptionDenial of service
Products affected by CVE-2020-20220
- cpe:2.3:o:mikrotik:routeros:*:*:*:*:-:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-20220
0.27%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 66 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-20220
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-2020-20220
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-20220
-
http://packetstormsecurity.com/files/162533/MikroTik-RouterOS-Memory-Corruption.html
MikroTik RouterOS Memory Corruption ≈ Packet StormExploit;Third Party Advisory;VDB Entry
-
https://mikrotik.com/
MikroTik Routers and WirelessProduct
-
http://seclists.org/fulldisclosure/2021/May/23
Full Disclosure: Four vulnerabilities found in MikroTik's RouterOSExploit;Mailing List;Third Party Advisory
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