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CVE-2020-36732

19
FAUCET Score

CVE-2020-36732 affects the crypto-js package before version 3.2.1 for Node.js, where its random number generation method of concatenating "0." with an integer leads to increased predictability. This vulnerability has a CVSS score of 5.3 (Medium), indicating a low-complexity attack that can be launched remotely without user interaction, potentially leading to a loss of confidentiality. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.2.1CPE matchmatch criteria
cpe:2.3:a:crypto-js_project:crypto-js:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.07%
Probability of exploitation in next 30 days
EPSS Percentile
61.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0107 is in the 39th percentile among its peer group of 23,690 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: crypto-jsFixed in: 3.2.1

Vendor Advisories (1)

npmGHSA-3w3w-pxmm-2w2jmedium

crypto-js uses insecure random numbers

Jun 12, 2023

References

github.com / brix/crypto-js/compare/3.2.0...3.2.1
Release Notes
github.com / brix/crypto-js/issues/254
Issue TrackingVendor Advisory
github.com / brix/crypto-js/issues/256
Issue TrackingPatchVendor Advisory
github.com / brix/crypto-js/pull/257/commits/e4ac157d8b75b962d6538fc0b996e5d4d5a9466b
Patch
security.netapp.com / advisory/ntap-20230706-0003
security.snyk.io / vuln/SNYK-JS-CRYPTOJS-548472
Third Party Advisory