What’s Vulnerable › Vulnerabilities

CVE-2021-4278: cronvel tree-kit prototype pollution

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-25 · updated 2026-06-17
• Weakness: CWE-1321

Description

A vulnerability classified as problematic has been found in cronvel tree-kit up to 0.6.x. This affects an unknown part. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). Upgrading to version 0.7.0 is able to address this issue. The name of the patch is a63f559c50d70e8cb2eaae670dec25d1dbc4afcd. It is recommended to upgrade the affected component. The identifier VDB-216765 was assigned to this vulnerability.

Affected products

• cronvel tree-kit: before 0.7.0 — fixed in 0.7.0

How to fix

Upgrade to a fixed version: cronvel tree-kit 0.7.0. Check the vendor advisory for mitigations.

References

• https://github.com/cronvel/tree-kit/commit/a63f559c50d70e8cb2eaae670dec25d1dbc4afcd
• https://github.com/cronvel/tree-kit/releases/tag/v0.7.0
• https://vuldb.com/?ctiid.216765
• https://vuldb.com/?id.216765
• https://github.com/cronvel/tree-kit/commit/a63f559c50d70e8cb2eaae670dec25d1dbc4afcd
• https://github.com/cronvel/tree-kit/releases/tag/v0.7.0
• https://vuldb.com/?ctiid.216765
• https://vuldb.com/?id.216765

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