Is CVE-2021-21018 in the CISA KEV catalog?

No. CVE-2021-21018 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-21018?

CVE-2021-21018 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2021-21018?

CVE-2021-21018 has an EPSS score of 4.11% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-21018?

Upgrade magento to 2.3.6 or later.

CVE & CISA-KEV Catalog

CVE-2021-21018

CRITICALEPSS 90th pctl

9.1

CVSS v3

NVD

Description

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to OS command injection via the scheduled operation module. Successful exploitation could lead to arbitrary code execution by an authenticated attacker. Access to the admin console is required for successful exploitation.

CWE-78OS Command Injection

How to fix

Remediation Available

magentoNVD

Affected:< 2.3.6Fixed in:2.3.6CVE-2021-21018derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

4.11%probability of exploitation in 30 days

90thpercentile

Elevated risk: more likely to be exploited than 90% of all known CVEs.

References

Vendor Advisory1

helpx.adobe.com

Related Vulnerabilities

Other CWE-78 (OS Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2014-6271	Critical	9.8	100%	KEV	Fix
CVE-2019-16920	Critical	9.8	100%	KEV	-
CVE-2022-44877	Critical	9.8	100%	KEV	Fix
CVE-2020-8515	Critical	9.8	100%	KEV	-
CVE-2020-9054	Critical	9.8	100%	KEV	Fix

Embed a live status badge for CVE-2021-21018

Markdown

[![CVE-2021-21018](https://tridentstack.com/cve/badge/CVE-2021-21018.svg)](https://tridentstack.com/cve/CVE-2021-21018)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-21018"><img src="https://tridentstack.com/cve/badge/CVE-2021-21018.svg" alt="CVE-2021-21018"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.