MikroTik RouterOS up to 6.46 memtest resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

A vulnerability was found in MikroTik RouterOS up to 6.46 (Router Operating System). It has been rated as problematic. This issue affects some unknown functionality of the component memtest. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability.

The weakness was released 07/20/2021. The advisory is shared at github.com. The identification of this vulnerability is CVE-2020-20248. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 6.47 eliminates this vulnerability.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: RouterOS 6.47

Timelineinfo

08/13/2020 🔍
07/20/2021 +341 days 🔍
07/20/2021 +0 days 🔍
07/22/2021 +2 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2020-20248 (🔍)

Entryinfo

Created: 07/20/2021 07:46
Updated: 07/22/2021 11:28
Changes: 07/20/2021 07:46 (39), 07/22/2021 11:28 (2)
Complete: 🔍

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