CVE-2021-4264
LinkedIn dustjs prototype pollution
- Published
- Updated
- Reserved
- Assigned by
- VulDB
Description
A vulnerability was found in LinkedIn dustjs up to 2.x and classified as problematic. Affected by this issue is some unknown functionality. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 3.0.0 is able to address this issue. The name of the patch is ddb6523832465d38c9d80189e9de60519ac307c3. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216464.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 3.1 | Medium6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| VulDBCNA (assigner) | 3.0 | Medium6.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.2% · top 33% of all CVEs (6 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.3.
Weakness
Affected products
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmdustjs-linkedinGHSA-c6rp-wrp9-qr4q (opens in a new tab)
References (6)
- https://vuldb.com/?id.216464 (opens in a new tab)vdb-entryx_transferred
- https://vuldb.com/?ctiid.216464 (opens in a new tab)signaturepermissions-requiredx_transferred
- https://github.com/linkedin/dustjs/issues/804 (opens in a new tab)exploitissue-trackingx_transferred
- https://github.com/linkedin/dustjs/pull/805 (opens in a new tab)issue-trackingx_transferred
- https://github.com/linkedin/dustjs/commit/ddb6523832465d38c9d80189e9de60519ac307c3 (opens in a new tab)patchx_transferred
- https://github.com/linkedin/dustjs/releases/tag/v3.0.0 (opens in a new tab)patchx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-c6rp-wrp9-qr4q (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-4264)Record last updated .