High severity · published Sep 14, 2020
CVE-2020-11881
An array index error in MikroTik RouterOS 6.41.3 through 6.46.5, and 7.x through 7.0 Beta5, allows an unauthenticated remote attacker to crash the SMB server via modified…
7.5
CVSS
3.8%
EPSS
No
On KEV
Description
An array index error in MikroTik RouterOS 6.41.3 through 6.46.5, and 7.x through 7.0 Beta5, allows an unauthenticated remote attacker to crash the SMB server via modified setup-request packets, aka SUP-12964.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.8% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RO
Routeros · Mikrotik
6.41.3 through 6.46.5; 7.0; 7.0; 7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-11881
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-11881
Exploit
https://github.com/botlabsDev/CVE-2020-11881
Vendor Advisory
https://mikrotik.com
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