Description
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.
Scores
CVSS v3
7.5
EPSS
0.0001
EPSS Percentile
2.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-347
Status
published
Products (2)
amazon/aws-lc-sys
0.24.0 - 0.38.0
amazon/aws_libcrypto
1.41.0 - 1.69.0
Published
Mar 02, 2026
Tracked Since
Mar 03, 2026