Vulnerability in Yiiframework Yii
CVE-2021-3689
yii2 is vulnerable to Use of Predictable Algorithm in Random Number Generator
EPSS: 0.019 (77.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Yiiframework Yii
- Yiisoft Yiisoft/yii2 — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@huntr.dev (x_refsource_CONFIRM, Exploit, Third Party Advisory)
- security@huntr.dev (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-3689?
- CVE-2021-3689 is a high-severity vulnerability in Yiiframework Yii, classified under CWE-1241. CVSS score: 7.5/10. Published 2021-08-10.
- How severe is CVE-2021-3689?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-3689 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.