CVE-2022-46505

HIGH
Published Jan 18, 20233y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Jan 18, 2023 3y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-665

Affected Products 1

VendorProductVersionRange
matrixsslmatrixssl* ≤4.5.1

References 2

  • github.com https://github.com/SmallTown123/details-for-CVE-2022-46505
    ExploitThird Party Advisory
  • smalltown123.notion.site https://smalltown123.notion.site/MatrixSSL-session-resume-bug-a0
    Permissions RequiredVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.