Vulnerability in Matrixssl

CVE-2022-46505

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.

Vulnerability class: Dirty Pipe (CVE-2022-0847)

EPSS: 0.009 (54.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-46505?
CVE-2022-46505 is a high-severity vulnerability in Matrixssl, classified under Improper Initialization. CVSS score: 7.5/10. Published 2023-01-18.
How severe is CVE-2022-46505?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-46505 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.