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CVE-2020-28274Prototype pollution vulnerability in 'deepref' versions 1.1.1 through 1.2.1 allows attacker to cause a denial of service and may lead to…
- 9.8CriticalCVSS base score
- 2.3%Exploitation in 30 daysEPSS · top 17% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Prototype pollution vulnerability in 'deepref' versions 1.1.1 through 1.2.1 allows attacker to cause a denial of service and may lead to remote code execution.
Timeline
ID reserved
By Mend
- 32 days later
· 32 days later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.3% · top 17% of all CVEs (13 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
deepref
- affected 1.1.1, 1.1.2, 1.2.0, 1.2.1
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmdeeprefGHSA-7c7g-72q7-4xhm (opens in a new tab)
References
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)
- EUVD EUVD-2021-2172 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-7c7g-72q7-4xhm (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-28274)Record last updated .