What’s Vulnerable › Vulnerabilities

CVE-2022-46505

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-01-18 · updated 2026-06-17
• Weakness: CWE-665

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.

Affected products

• Inside Secure MatrixSSL: through 4.5.1

References

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

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