Is CVE-2021-24165 in the CISA KEV catalog?

No. CVE-2021-24165 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-24165?

CVE-2021-24165 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2021-24165?

CVE-2021-24165 has an EPSS score of 1.64% (74th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-24165?

Upgrade ninja forms to 3.4.34 or later.

CVE & CISA-KEV Catalog

CVE-2021-24165

MEDIUMEPSS 74th pctl

6.1

CVSS v3

NVD

Description

In the Ninja Forms Contact Form WordPress plugin before 3.4.34, the wp_ajax_nf_oauth_connect AJAX action was vulnerable to open redirect due to the use of a user supplied redirect parameter and no protection in place.

CWE-601Open Redirect

How to fix

Remediation Available

ninja formsNVD

Affected:< 3.4.34Fixed in:3.4.34CVE-2021-24165derived 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

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

1.64%probability of exploitation in 30 days

74thpercentile

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

References

Exploit1

wpscan.com

Third-Party Advisory1

wordfence.com

Related Vulnerabilities

Other CWE-601 (Open Redirect) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-4123	High	7.6	98%	-	Fix
CVE-2018-11784	Medium	4.3	94%	-	Fix
CVE-2021-22881	Medium	6.1	87%	-	Fix
CVE-2022-45402	Medium	6.1	82%	-	Fix
CVE-2017-1000117	High	8.8	78%	-	Fix
CVE-2019-10098	Medium	6.1	74%	-	Fix

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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.