What’s Vulnerable › Vulnerabilities

CVE-2023-4472: Cryptographically weak PRNG in Opinio 7.22

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-01 · updated 2026-06-17
• Weakness: CWE-335

Description

Objectplanet Opinio version 7.22 and prior uses a cryptographically weak pseudo-random number generator (PRNG) coupled to a predictable seed, which could lead to an unauthenticated account takeover of any user on the application.

Affected products

• ObjectPlanet Opinio: before 7.23 — fixed in 7.23

How to fix

Upgrade to a fixed version: ObjectPlanet Opinio 7.23. Check the vendor advisory for mitigations.

References

• https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2024/MNDT-2024-0002.md
• https://www.objectplanet.com/opinio/changelog.html
• https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2024/MNDT-2024-0002.md
• https://www.objectplanet.com/opinio/changelog.html

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