Cesanta MJS 2.20.0 /usr/local/bin/mjs denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.5$0-$5k0.00

A vulnerability has been found in Cesanta MJS 2.20.0 and classified as problematic. Affected by this vulnerability is an unknown function of the file /usr/local/bin/mjs. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. As an impact it is known to affect availability. The summary by CVE is:

Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via /usr/local/bin/mjs+0x8d28e. This vulnerability can lead to a Denial of Service (DoS).

The weakness was released 01/28/2022 as 211. The advisory is shared at github.com. This vulnerability is known as CVE-2021-46531 since 01/24/2022. The attack needs to approached within the local network. The successful exploitation requires a single authentication. Technical details are known, 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.

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VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

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

Exploitinginfoedit

Class: Denial of service
CWE: CWE-404
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

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

Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

01/24/2022 CVE reserved
01/28/2022 +4 days Advisory disclosed
01/28/2022 +0 days VulDB entry created
01/30/2022 +2 days VulDB last update

Sourcesinfoedit

Advisory: 211
Status: Confirmed

CVE: CVE-2021-46531 (🔒)

Entryinfoedit

Created: 01/28/2022 10:03 AM
Updated: 01/30/2022 09:59 AM
Changes: (1) source_cve_nvd_summary
Complete: 🔍

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