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Fencer Vulns
critical 9.8

CVE-2020-7730 json

Command Injection

published 2020-09-04 6 y ago modified 2026-09-10 1 mo ago also GHSA-6xv6-jpvw-cx6q , EUVD-2021-0979

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

The package bestzip before 2.1.7 are vulnerable to Command Injection via the options param.

Patch / fix

  • npm bestzip 2.1.7
  • n/a bestzip 2.1.7

Exploit prediction

3.15% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
npm bestzip
<2.1.7
2.1.7

Affected products

  • n/a bestzip

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.