CVE-2020-36732: crypto-js_project crypto-js Use of Insufficiently Random Values
CVSS: 5.3v3.1MediumModified
AliasesDEBIAN-CVE-2020-36732GHSA-3w3w-pxmm-2w2j
Published 12-06-2023Last modified 06-01-2025
Vulnerability summary
CVE-2020-36732 is a medium (CVSS 5.3) Use of Insufficiently Random Values vulnerability in crypto-js_project crypto-js. EPSS estimates a 1.07% chance of exploitation in the next 30 days, higher than 64.4% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)EPSS score
1.07%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-06-2023PublishedVulnerability first disclosed.
- 06-01-2025Last modifiedVulnerability information updated.
Description
The crypto-js package before 3.2.1 for Node.js generates random numbers by concatenating the string "0." with an integer, which makes the output more predictable than necessary.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 5.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NSourcesAll 4 agree
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- OSV · NpmEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
1.07%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
0.00 pp
From 1.07% on 19-09-2026
19-09-202619-10-2026
EPSS score1.07%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-330Use of Insufficiently Random ValuesThe product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.
- CWE-331Insufficient EntropyThe product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.
Affected systems
Crypto-js_project1 product
- crypto-js< 3.2.1
Debian1 product
- cryptojsAll versions (No fix recorded)
Npm1 product
- crypto-js≥ 3.2.0, < 3.2.1
3 vendors · 3 products
References
12 linksShow all 12 references
- github.com/brix/crypto-jsPACKAGE