HIGH
In MatrixSSL before 4.2.2 Open, the DTLS server can encounter an invalid pointer free (leading to memory corruption and a daemon crash) via a crafted incoming network message, a different vulnerability than CVE-2019-14431
Published Dec 30, 2020
7.5
HIGHCVSS 3.1
EPSS 1.80%
Description
In MatrixSSL before 4.2.2 Open, the DTLS server can encounter an invalid pointer free (leading to memory corruption and a daemon crash) via a crafted incoming network message, a different vulnerability than CVE-2019-14431.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.80% 0.01795
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.01795
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.80% (0.01795) | 77.67th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.77% (0.01773) | 75.20th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.33% (0.00328) | 71.21th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.33% (0.00328) | 70.11th | v3 (v2023.03.01) |
| Sep 15, 2023 | 0.33% (0.00328) | 67.37th | v3 (v2023.03.01) |
| Aug 6, 2023 | 0.29% (0.00288) | 64.72th | v3 (v2023.03.01) |
| Mar 24, 2023 | 0.25% (0.00247) | 60.89th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.19% (0.00191) | 54.80th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Sep 2, 2022 | 0.95% (0.00954) | 34.50th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00954) | 32.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.68% (0.00680) | 18.80th | v1 |
| Jan 6, 2022 | 0.68% (0.00680) | 18.23th | v1 |
| Sep 1, 2021 | 0.68% (0.00680) | 47.49th | v1 |
| Apr 14, 2021 | 0.68% (0.00680) | 0.00th | v1 |
Weaknesses (1)
References (3)
- https://github.com/matrixssl/matrixssl/blob/4-2-2-open/doc/CHANGES_v4.x.md x_refsource_CONFIRMRelease NotesThird Party Advisory
- https://github.com/matrixssl/matrixssl/issues/33 x_refsource_MISCExploitThird Party Advisory
- https://github.com/matrixssl/matrixssl/releases/tag/4-2-2-open x_refsource_CONFIRMThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/matrixssl/matrixssl/blob/4-2-2-open/doc/CHANGES_v4.x.md | x_refsource_CONFIRMRelease NotesThird Party Advisory | |
| https://github.com/matrixssl/matrixssl/issues/33 | x_refsource_MISCExploitThird Party Advisory | |
| https://github.com/matrixssl/matrixssl/releases/tag/4-2-2-open | x_refsource_CONFIRMThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 30, 2020
Updated Aug 5, 2024
Reserved Sep 24, 2019
Link CVE-2019-16747
CISA Vulnrichment
Updated n/a