Detections
Analytics

Azure Linux 3.0 Security Update: keda (CVE-2021-42836)

high Nessus Plugin ID 295701

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Synopsis

The remote Azure Linux host is missing one or more security updates.

Description

The version of keda installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2021-42836 advisory.

 - GJSON before 1.9.3 allows a ReDoS (regular expression denial of service) attack. (CVE-2021-42836)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://nvd.nist.gov/vuln/detail/CVE-2021-42836

Plugin Details

Severity: High

ID: 295701

File Name: azure_linux_CVE-2021-42836.nasl

Version: 1.1

Type: local

Published: 1/22/2026

Updated: 1/22/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2021-42836

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:microsoft:azure_linux:keda, p-cpe:/a:microsoft:azure_linux:keda-debuginfo, x-cpe:/o:microsoft:azure_linux

Required KB Items: Host/local_checks_enabled, Host/AzureLinux/release, Host/AzureLinux/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/10/2024

Vulnerability Publication Date: 10/22/2021

Reference Information

CVE: CVE-2021-42836