Description
An issue in MatrixSSL 4.5.1-open and earlier leads to failure to securely check the SessionID field, resulting in the misuse of an all-zero MasterSecret that can decrypt secret data.
Exploits (1)
Scores
CVSS v3
7.5
EPSS
0.0076
EPSS Percentile
73.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-665
Status
published
Products (1)
matrixssl/matrixssl
< 4.5.1
Published
Jan 18, 2023
Tracked Since
Feb 18, 2026