CVE-2022-46505 | BDVDB-2026-193421 Detail

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-665 Improper Initialization

References#

Exploit#

No public exploit known

History#

Version 12023-01-18Record published in the CVE List.
Version 22025-04-04Most recent update recorded in the CVE List.

Published

Published: 2023-01-18
Last modified: 2025-04-04

Vendor information

Vendor: Not stated
Product: Not stated

Score

7.5 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 59.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Improper Initialization

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

No version data in the source record.

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.5 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).