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Fencer Vulns
critical 9.8

CVE-2020-7634 json

OS Command Injection in heroku-addonpool

published 2020-04-06 6 y ago modified 2026-06-17 4 mo ago also GHSA-3q9x-w53p-jg53 , EUVD-2021-2433

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

heroku-addonpool through 0.1.15 is vulnerable to Command Injection.

Patch / fix

  • npm heroku-addonpool 0.1.16

Exploit prediction

2.79% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • snyk.io https://snyk.io/vuln/SNYK-JS-HEROKUADDONPOOL-564428 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/nodef/heroku-addonpool/blob/master/index.js referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 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 heroku-addonpool
<0.1.16
0.1.16

Affected products

  • n/a heroku-addonpool

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.