What’s Vulnerable › Vulnerabilities
CVE-2025-7071: Timing side-channel vulnerability in AES-CBC decryption with PKCS#7 padding in ocrypto library
- Severity: medium (CVSS 5.9 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-08-29 · updated 2026-10-18
- Weakness: CWE-208
Description
Padding oracle attack vulnerability in Oberon microsystem AG’s ocrypto library in all versions since 3.1.0 and prior to 3.9.2 allows an attacker to recover plaintexts via timing measurements of AES-CBC PKCS#7 decrypt operations.
Affected products
- Oberon microsystems AG ocrypto: from 3.1.0 through 3.9.1
References
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