Vulnerability in Github.com/masterminds/goutils
CVE-2021-4238
Randomly-generated alphanumeric strings contain significantly less entropy than expected. The RandomAlphaNumeric and CryptoRandomAlphaNumeric functions always return strings containing at least one digit from 0 to 9. This significantly reduces the amount of entropy in short strings generated by these functions.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.013 (69.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Github.com/masterminds/goutils — versions 0
- Goutils Project
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/Masterminds/goutils/commit/869801f20f9f1e7ecdbdb6422049d8241270d5e1 (Patch, Third Party Advisory)
- pkg.go.dev/vuln/GO-2022-0411 (Exploit, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-4238?
- CVE-2021-4238 is a critical-severity vulnerability in Github.com/masterminds/goutils, classified under Insufficient Entropy. CVSS score: 9.1/10. Published 2022-12-27.
- How severe is CVE-2021-4238?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2021-4238 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.