VDB-199542 · CVE-2021-36613 · GCVE-0-2021-36613

MikroTik RouterOS prior 6.48.2 ptp null pointer dereference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.2	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in MikroTik RouterOS. This affects an unknown part of the component ptp. The manipulation results in null pointer dereference. This vulnerability is reported as CVE-2021-36613. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in MikroTik RouterOS (Router Operating System). Affected is an unknown function of the component ptp. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability.

The weakness was disclosed 05/12/2022. The advisory is available at seclists.org. This vulnerability is traded as CVE-2021-36613 since 07/12/2021. The technical details are unknown and an exploit is not available.

Upgrading to version 6.48.2 eliminates this vulnerability.

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Productinfo

Type

Router Operating System

Vendor

MikroTik

Name

RouterOS

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: RouterOS 6.48.2

Timelineinfo

07/12/2021 🔍
05/12/2022 +304 days 🔍
05/12/2022 +0 days 🔍
05/14/2022 +2 days 🔍

Sourcesinfo

Advisory: seclists.org
Status: Confirmed

CVE: CVE-2021-36613 (🔍)
GCVE (CVE): GCVE-0-2021-36613
GCVE (VulDB): GCVE-100-199542

Entryinfo

Created: 05/12/2022 07:34
Updated: 05/14/2022 07:14
Changes: 05/12/2022 07:34 (39), 05/14/2022 07:14 (1)
Complete: 🔍
Cache ID: 216::103