OpenVPN versions before 2.3.15 and before 2.4.2 are vulnerable to reachable assertion when packet-ID counter rolls over resulting into Denial of Service of server by authenticated attacker
Published May 15, 2017
6.5
MEDIUMCVSS 3.0
EPSS 1.85%
Description
OpenVPN versions before 2.3.15 and before 2.4.2 are vulnerable to reachable assertion when packet-ID counter rolls over resulting into Denial of Service of server by authenticated attacker.
Affected products
-
- Version < 2.3.15StatusaffectedConstraints-
- Version < 2.4.2StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OpenVPN Technologies, Inc | OpenVPN | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:S/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.85% (0.01852) | 78.38th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.87% (0.01867) | 76.50th | v5 (v2026.06.15) |
| Feb 18, 2026 | 0.37% (0.00372) | 58.43th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.43% (0.01429) | 78.85th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.83% (0.02829) | 76.94th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.38% (0.00382) | 73.27th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.38% (0.00382) | 72.28th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.38% (0.00382) | 68.78th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.29% (0.01294) | 30.79th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.29% (0.01294) | 0.00th | v1 |
References (4)
- http://www.debian.org/security/2017/dsa-3900 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/98443 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1038473 vdb-entryx_refsource_SECTRACK
- https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2017/dsa-3900 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securityfocus.com/bid/98443 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1038473 | vdb-entryx_refsource_SECTRACK | |
| https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.