CVE-2021-4278
CVE-2021-4278 is a medium-severity vulnerability in Tree Kit Project Tree Kit with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1321.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (34th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-1321
- Affected product: Tree Kit Project Tree Kit
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2021-4278?
- 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.
- How severe is CVE-2021-4278?
- CVE-2021-4278 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2021-4278 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-4278?
- CVE-2021-4278 affects Tree Kit Project Tree Kit. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-4278?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-4278 published?
- CVE-2021-4278 was published on 2022-12-25 and last updated on 2026-06-17.
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
Affected products (1)
- cpe:2.3:a:tree_kit_project:tree_kit:*:*:*:*:*:node.js:*:*
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- CVE-2023-38894 — Critical (CVSS 9.8): A Prototype Pollution issue in Cronvel Tree-kit v.0.7.4 and before allows a remote attacker to execute arbitrary code…
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