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CVE-2023-46849

Published: Nov 11, 2023Updated: Jun 11, 2025 Sources: CVE List NVD BDUCWE-369
7.5HIGH
NVD MITRE
EPSS Score
1.1%
Top 37.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-369

Affected Products

OpenVPN
oss-project·USaka connect, openvpn access server
openvpnOn-premSecurity Product
Networking Infrastructure
openvpn access serverOn-premNetwork Device
Networking Infrastructure / vpn-gateway
OpenVPN 2 (Community)On-premNetwork Device
Networking Infrastructure / vpn-gateway
Access ServerOn-premWeb App
Networking Infrastructure / vpn-gateway
debian
oss-project·GBaka debian gnu/linux
debian linuxOn-premOS
Operating Systems / linux-distro
fedoraproject
oss-project·USaka fedora project
fedoraOn-premOS
Operating Systems / linux-distro
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
OpenVPN, Inc.
commercial·USaka openvpn connect, easy-rsa, openvpn 3 linux
OpenVPNMixed
Security Products / secure-gateway-vpn

Exploitability

Official Patch Available
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References

https://community.openvpn.net/openvpn/wiki/CVE-2023-46849
community.openvpn.net
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/
lists.fedoraproject.org
and 4 more references View all →

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