Is CVE-2021-4307 in the CISA KEV catalog?

No. CVE-2021-4307 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-4307?

CVE-2021-4307 has a CVSS v3 base score of 6.3 (MEDIUM).

What is the EPSS score for CVE-2021-4307?

CVE-2021-4307 has an EPSS score of 1.26% (66th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-4307?

Upgrade baobab to 2.6.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-4307

MEDIUM

6.3

CVSS v3

NVD

Description

A vulnerability was found in Yomguithereal Baobab up to 2.6.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). The attack can be launched remotely. Upgrading to version 2.6.1 is able to address this issue. The patch is named c56639532a923d9a1600fb863ec7551b188b5d19. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-217627.

CWE-1321

How to fix

Remediation Available

baobabNVD

Affected:>= 2.0.0, < 2.6.1Fixed in:2.6.1CVE-2021-4307derived 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

1.26%probability of exploitation in 30 days

66thpercentile

Moderate risk: more likely to be exploited than 66% of all known CVEs.

References

Patch2

Third-Party Advisory2

Release Notes1

github.com

Related Vulnerabilities

Other CWE-1321 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0230	Critical	9.8	97%	-	-
CVE-2019-11358	Medium	6.1	87%	-	Fix
CVE-2020-7774	High	7.3	69%	-	Fix
CVE-2022-24760	Critical	10.0	49%	-	Fix
CVE-2022-39396	Critical	9.8	39%	-	Fix
CVE-2022-2564	Critical	9.8	33%	-	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.