Is CVE-2021-21027 in the CISA KEV catalog?

No. CVE-2021-21027 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-21027?

CVE-2021-21027 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2021-21027?

CVE-2021-21027 has an EPSS score of 1.67% (74th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-21027?

Upgrade magento to 2.3.6 or later.

CVE & CISA-KEV Catalog

CVE-2021-21027

MEDIUMEPSS 74th pctl

4.3

CVSS v3

NVD

Description

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are affected by a cross-site request forgery (CSRF) vulnerability via the GraphQL API. Successful exploitation could lead to unauthorized modification of customer metadata by an unauthenticated attacker. Access to the admin console is not required for successful exploitation.

CWE-352Cross-Site Request Forgery

How to fix

Remediation Available

magentoNVD

Affected:< 2.3.6Fixed in:2.3.6CVE-2021-21027derived 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 RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

1.67%probability of exploitation in 30 days

74thpercentile

Elevated risk: more likely to be exploited than 74% of all known CVEs.

References

Vendor Advisory1

helpx.adobe.com

Related Vulnerabilities

Other CWE-352 (Cross-Site Request Forgery) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2016-6277	High	8.8	100%	KEV	-
CVE-2014-0054	Medium	6.8	91%	-	Fix
CVE-2013-6429	Medium	6.8	90%	-	Fix
CVE-2022-41622	High	8.8	88%	-	-
CVE-2018-7700	High	8.8	75%	-	-
CVE-2015-2295	Medium	6.8	66%	-	-

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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.