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Fencer Vulns
critical 9.8

CVE-2018-1000620 json

Insufficient Entropy in cryptiles

published 2018-07-09 8 y ago modified 2026-06-17 4 mo ago also GHSA-rq8g-5pc5-wrhr , EUVD-2018-0467

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

Eran Hammer cryptiles version 4.1.1 earlier contains a CWE-331: Insufficient Entropy vulnerability in randomDigits() method that can result in An attacker is more likely to be able to brute force something that was supposed to be random.. This attack appear to be exploitable via Depends upon the calling application.. This vulnerability appears to have been fixed in 4.1.2.

Patch / fix

  • npm cryptiles 3.1.3, 4.1.2
  • cryptiles_project cryptiles 3.1.3, 4.1.2

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-1000620 updated cvss 3.7

nodejs-cryptiles: Insecure randomness causes the randomDigits() function returns a pseudo-random data string biased to certain digits

  • Red Hat Quay 3 quay/quay-rhel8
    affected: no fix available “Fix deferred”
  • Red Hat Mobile Application Platform 4 nodejs-cryptiles Red Hat OpenShift Enterprise 3 nodejs-cryptiles Red Hat Software Collections rh-nodejs8-npm, rh-nodejs8-nodejs, rh-nodejs6-nodejs-cryptiles
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.68% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).

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 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N
GitHub 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
npm cryptiles
>=4.0.0, <4.1.2
>=3.1.0, <3.1.3
4.1.2
3.1.3

Classification

Weakness

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.