CVE-2023-46849
High
Published: 11 November 2023
Published
11 November 2023
Modified
11 June 2025
KEV Added
—
Patch
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CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.0048
65.4th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2023-46849 is a high-severity Divide By Zero (CWE-369) vulnerability in Openvpn Openvpn Access Server. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 34.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-51015
Vulnerability details
Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
openvpn
openvpn
2.6.0 — 2.6.6
openvpn
openvpn access server
2.12.0, 2.12.1 · 2.11.0 — 2.11.3
debian
debian linux
12.0
fedoraproject
fedora
39
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.