Is CVE-2021-4260 in the CISA KEV catalog?

No. CVE-2021-4260 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-4260?

CVE-2021-4260 has a CVSS v3 base score of 6.3 (MEDIUM).

What is the EPSS score for CVE-2021-4260?

CVE-2021-4260 has an EPSS score of 0.37% (29th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-4260?

Upgrade oils-js to 2021-03-23 or later.

CVE & CISA-KEV Catalog

CVE-2021-4260

MEDIUM

6.3

CVSS v3

NVD

Description

A vulnerability was found in oils-js. It has been declared as critical. This vulnerability affects unknown code of the file core/Web.js. The manipulation leads to open redirect. The attack can be initiated remotely. The name of the patch is fad8fbae824a7d367dacb90d56cb02c5cb999d42. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-216268.

CWE-601Open Redirect

How to fix

Remediation Available

oils-jsNVD

Affected:< 2021-03-23Fixed in:2021-03-23CVE-2021-4260derived 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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.37%probability of exploitation in 30 days

29thpercentile

Low risk: more likely to be exploited than 29% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory1

vuldb.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.