Is CVE-2021-21395 in the CISA KEV catalog?

No. CVE-2021-21395 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-21395?

CVE-2021-21395 has a CVSS v3 base score of 4.2 (MEDIUM).

What is the EPSS score for CVE-2021-21395?

CVE-2021-21395 has an EPSS score of 0.38% (30th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-21395?

Upgrade magento to 20.0.19 or later.

CVE & CISA-KEV Catalog

CVE-2021-21395

MEDIUM

4.2

CVSS v3

NVD

Description

Magneto LTS (Long Term Support) is a community developed alternative to the Magento CE official releases. Versions prior to 19.4.22 and 20.0.19 are vulnerable to Cross-Site Request Forgery. The password reset form is vulnerable to CSRF between the time the reset password link is clicked and user submits new password. This issue is patched in versions 19.4.22 and 20.0.19. There are no workarounds.

CWE-352Cross-Site Request Forgery

How to fix

Remediation Available

magentoNVD

Affected:>= 20.0.0, < 20.0.19Fixed in:20.0.19CVE-2021-21395derived 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 ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

Exploit Intelligence

0.38%probability of exploitation in 30 days

30thpercentile

Low risk: more likely to be exploited than 30% of all known CVEs.

References

Exploit1

hackerone.com

Third-Party Advisory2

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.