Is CVE-2021-4307 actively exploited?

No active exploitation of CVE-2021-4307 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-4307 be exploited remotely?

Yes. CVE-2021-4307 is exploitable remotely over the network (CVSS attack vector: Network).

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

CVE-2021-4307 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2021-4307

CWE-1321Published: January 7, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Risk Analysis

Yomguithereal Baobab up to version 2.6.0 is vulnerable to prototype pollution, which is rated as critical with a CVSS score of 9.8. This allows remote attackers to potentially manipulate object attributes.

No public exploit is known, but the vulnerability is remotely exploitable.

Recommended Action

Upgrade to version 2.6.1 or apply the patch c56639532a923d9a1600fb863ec7551b188b5d19.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-4307 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.