CVE-2025-7383

Published Aug 29, 2025

Last updated 2 months ago

CVSS medium 5.9
sca

Overview

Description
Padding oracle attack vulnerability in Oberon microsystem AG’s Oberon PSA Crypto library in all versions since 1.0.0 and prior to 1.5.1 allows an attacker to recover plaintexts via timing measurements of AES-CBC PKCS#7 decrypt operations.
Source
vulnerability@ncsc.ch
NVD status
Deferred

Risk scores

CVSS 4.0

Type
Secondary
Base score
5.9
Impact score
-
Exploitability score
-
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity
MEDIUM

Weaknesses

vulnerability@ncsc.ch
CWE-208

Social media

Hype score
Not currently trending

  1. CVE-2025-7383 Padding Oracle Vulnerability in Oberon PSA Crypto Library Enables Plaintext Recovery https://t.co/rvPIr4MZqo

    @VulmonFeeds

    29 Aug 2025

    27 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

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References

Sources include official advisories and independent security research.