CVE-2021-25928
Prototype pollution vulnerability in 'safe-obj' versions 1.0.0 through 1.0.2 allows an attacker to cause a denial of service and may lead…
- Published
- Updated
- Reserved
- Assigned by
- Mend
Description
Prototype pollution vulnerability in 'safe-obj' versions 1.0.0 through 1.0.2 allows an attacker to cause a denial of service and may lead to remote code execution.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: a proof of concept is public.
Timeline
ID reserved
By Mend
- 3 months later
· 3 months 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 |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 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)
- 3.4% · top 11% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
safe-obj
- affected 1.0.0, 1.0.1, 1.0.2
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmsafe-objGHSA-wpgh-hmv4-r3v5 (opens in a new tab)
References (2)
- https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25928 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/mantacode/safe-obj/blob/6ab63529182b6cf11704ac84f10800290afd3f9f/lib/index.js#L122 (opens in a new tab)x_refsource_MISCx_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-wpgh-hmv4-r3v5 (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-2021-25928)Record last updated .