CVE-2025-7071

MEDIUM

Oberon microsystem AG's ocrypto <3.9.2 - Info Disclosure

Title source: llm

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.

References (1)

[Various Sources] https://www.oberon.ch/security-advisories/cve-2025-7071/

Scores

CVSS v4 5.9

EPSS 0.0001

EPSS Percentile 1.0%

CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-208 CWE-327

Status published

Products (1)

Oberon microsystems AG/ocrypto 3.1.0 - 3.9.1

Published Aug 29, 2025

Tracked Since Feb 18, 2026