CVE-2021-4307
CVSS v3
9.8
CRITICAL
EPSS Score
1.3 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2023-01-07
Frequently asked questions
What is CVE-2021-4307?
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.
Is CVE-2021-4307 actively exploited?
Active exploitation of CVE-2021-4307 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-4307?
CVE-2021-4307 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2021-4307 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2021 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).