# CVE-2025-9071

## Summary

- **CVE ID:** CVE-2025-9071
- **Severity:** LOW
- **CVSS Score:** 2.3 (CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/S:N/RE:L)
- **CWE:** CWE-780
- **Published:** Aug 29, 2025
- **Last Modified:** Mar 12, 2026

## Description

Erroneously using an all-zero seed for RSA-OEAP padding instead of the generated random bytes, in Oberon microsystems AG’s Oberon PSA Crypto library in all versions up to 1.5.1, results in deterministic RSA and thus in a loss of confidentiality for guessable messages, recognition of repeated messages, and loss of security proofs.

## Affected Products

- Oberon microsystems AG — Oberon PSA Crypto (1.0.0)

## References

- [CNA](https://www.oberon.ch/security-advisories/cve-2025-9071/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.18%
- **EPSS Percentile:** 7.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._