MikroTik RouterOS up to 6.48.3 /nova/bin/detnet null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in MikroTik RouterOS up to 6.48.3. This vulnerability affects unknown code of the file /nova/bin/detnet. Such manipulation leads to null pointer dereference. This vulnerability is documented as CVE-2020-20231. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in MikroTik RouterOS up to 6.48.3 (Router Operating System). It has been rated as problematic. Affected by this issue is an unknown functionality of the file /nova/bin/detnet. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability.

The weakness was released 07/15/2021. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2020-20231. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
07/15/2021 +336 days 🔍
07/15/2021 +0 days 🔍
07/18/2021 +3 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2020-20231 (🔍)
GCVE (CVE): GCVE-0-2020-20231
GCVE (VulDB): GCVE-100-178676

Entryinfo

Created: 07/15/2021 08:31
Updated: 07/18/2021 15:39
Changes: 07/15/2021 08:31 (37), 07/18/2021 15:39 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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