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CVE-2026-3338NVD

Vulnerability Summary

Improper signature validation in PKCS7_verify() in AWS-LC allows an unauthenticated user to bypass signature verification when processing PKCS7 objects with Authenticated Attributes.



Customers of AWS services do not need to take action. Applications using AWS-LC should upgrade to AWS-LC version 1.69.0.
Severity Level
HIGH(8.7)
Published Date
Mar 2, 2026
Last Modified
Mar 2, 2026
Exploitation Status
????
EPSS Score (30-Day)
0.01%Probability
Root Weakness (CWE)
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v4.0 Base Metrics
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone