Detections
Analytics

MikroTik RouterOS Improper Validation of Array Index (CVE-2020-11881)

high Tenable OT Security Plugin ID 502036

Synopsis

The remote OT asset is affected by a vulnerability.

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.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

https://github.com/botlabsDev/CVE-2020-11881

https://mikrotik.com

Plugin Details

Severity: High

ID: 502036

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 2/27/2024

Updated: 2/28/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2020-11881

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:mikrotik:routeros:6.46.5, cpe:/o:mikrotik:routeros:7.0:beta3, cpe:/o:mikrotik:routeros:7.0:beta4, cpe:/o:mikrotik:routeros:7.0:beta5

Required KB Items: Tenable.ot/MikroTik

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/14/2020

Vulnerability Publication Date: 9/14/2020

Reference Information

CVE: CVE-2020-11881

CWE: 129