HOMEVULNERABILITIESCVE-2022-43974
CRITICAL

CVE-2022-43974

CWE-190Published: January 9, 2023· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

MatrixSSL 4.0.4 through 4.5.1 has an integer overflow in matrixSslDecodeTls13. A remote attacker might be able to send a crafted TLS Message to cause a buffer overflow and achieve remote code execution. This is fixed in 4.6.0.

NVD Source

Technical Analysis

CVE-2022-43974 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

matrixssl1 product(s)
matrixssl
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/matrixssl/matrixssl/blob/4-6-0-open/doc/CHANGES_v4.x.md
ADVISORYhttps://github.com/matrixssl/matrixssl/security/advisories/GHSA-fmwc-gwc5-2g29
ADVISORYhttps://www.telekom.com/en/company/data-privacy-and-security/news/advisories-504842
ADVISORYhttps://github.com/matrixssl/matrixssl/blob/4-6-0-open/doc/CHANGES_v4.x.md
ADVISORYhttps://github.com/matrixssl/matrixssl/security/advisories/GHSA-fmwc-gwc5-2g29
ADVISORYhttps://www.telekom.com/en/company/data-privacy-and-security/news/advisories-504842

All References (6)

→
https://github.com/matrixssl/matrixssl/blob/4-6-0-open/doc/CHANGES_v4.x.mdRelease Notes · Third Party Advisory
→
https://github.com/matrixssl/matrixssl/security/advisories/GHSA-fmwc-gwc5-2g29Third Party Advisory
→
https://www.telekom.com/en/company/data-privacy-and-security/news/advisories-504842Vendor Advisory
→
https://github.com/matrixssl/matrixssl/blob/4-6-0-open/doc/CHANGES_v4.x.mdRelease Notes · Third Party Advisory
→
https://github.com/matrixssl/matrixssl/security/advisories/GHSA-fmwc-gwc5-2g29Third Party Advisory
→
https://www.telekom.com/en/company/data-privacy-and-security/news/advisories-504842Vendor Advisory

Quick Facts

CVE IDCVE-2022-43974
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-190
CISA KEVNo
Affected1 vendor(s)
PublishedJan 9, 2023

Related CVEs (CWE-190)

CVE-2010-3254
10.0
CVE-2015-5108
10.0
CVE-2015-5097
10.0
CVE-2013-2555
10.0
CVE-2012-5835
10.0
CVE-2012-5143
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-43974 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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