MikroTik RouterOS up to 6.46 /nova/bin/lcdstat 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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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in MikroTik RouterOS up to 6.46. It has been classified as problematic. Affected by this issue is some unknown functionality of the file /nova/bin/lcdstat. Performing a manipulation results in null pointer dereference. This vulnerability is identified as CVE-2020-20254. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in MikroTik RouterOS up to 6.46 (Router Operating System). This affects an unknown code block of the file /nova/bin/lcdstat. 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 released 05/19/2021. The advisory is shared at seclists.org. This vulnerability is uniquely identified as CVE-2020-20254. Technical details are known, but no exploit is available.

Upgrading to version 6.47 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

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

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: RouterOS 6.47

Timelineinfo

08/13/2020 🔍
05/19/2021 +279 days 🔍
05/19/2021 +0 days 🔍
05/22/2021 +3 days 🔍

Sourcesinfo

Advisory: seclists.org
Status: Confirmed

CVE: CVE-2020-20254 (🔍)
GCVE (CVE): GCVE-0-2020-20254
GCVE (VulDB): GCVE-100-175341

Entryinfo

Created: 05/19/2021 07:52
Updated: 05/22/2021 12:55
Changes: 05/19/2021 07:52 (39), 05/22/2021 12:55 (5)
Complete: 🔍
Cache ID: 216::103

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