CVE-2021-3689
HIGHCVSS 7.5/10EPSS 1.90%
Last modified
CVE-2021-3689 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. yii2 is vulnerable to Use of Predictable Algorithm in Random Number Generator. EPSS estimates a 1.90% chance of exploitation in the next 30 days.
Description
yii2 is vulnerable to Use of Predictable Algorithm in Random Number Generator
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Yiiframework | Yii | >= 2.0.0, < 2.0.43 |
References
- https://github.com/yiisoft/yii2/commit/13f27e4d920a05d53236139e8b07007acd046a46Patch, Third Party Advisory
- https://huntr.dev/bounties/50aad1d4-eb00-4573-b8a4-dbe38e2c229fExploit, Third Party Advisory
- https://github.com/yiisoft/yii2/commit/13f27e4d920a05d53236139e8b07007acd046a46Patch, Third Party Advisory
- https://huntr.dev/bounties/50aad1d4-eb00-4573-b8a4-dbe38e2c229fExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-3689?
yii2 is vulnerable to Use of Predictable Algorithm in Random Number Generator
How severe is CVE-2021-3689?
CVE-2021-3689 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.90% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3689?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-3689?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST