CVE-2020-8147
9.8
CRITICAL · CVSS 3.1 · EPSS 3.1% (pctl 88)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
Flaw in input validation in npm package utils-extend version 1.0.8 and earlier may allow prototype pollution attack that may result in remote code execution or denial of service of applications using utils-extend.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.15% — more likely to be exploited than 88% of all CVEs |
| Weakness | CWE-471 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-04-03 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| utils-extend project | utils-extend |
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