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CVE Vulnerability Details :
CVE-2023-46849
PUBLISHED
More InfoOfficial Page
Assigner-OpenVPN
Assigner Org ID-36a55730-e66d-4d39-8ca6-3c3b3017965e
View Known Exploited Vulnerability (KEV) details
Published At-11 Nov, 2023 | 00:05
Updated At-11 Jun, 2025 | 14:30
Rejected At-
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
OpenVPN
Product
OpenVPN 2 (Community)
Default Status
unaffected
Versions
Affected
  • From 2.6.0 through 2.6.6 (minor release)
Vendor
OpenVPN
Product
Access Server
Platforms
  • Linux
Default Status
unaffected
Versions
Affected
  • From 2.11.0 through 2.11.3 (patch release)
  • From 2.12.0 through 2.12.1 (patch release)
Problem Types
TypeCWE IDDescription
CWECWE-369CWE-369 Divide By Zero
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://community.openvpn.net/openvpn/wiki/CVE-2023-46849
N/A
https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/
N/A
https://www.debian.org/security/2023/dsa-5555
N/A
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/
N/A
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/
N/A
▼Authorized Data Publishers (ADP)
1. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://community.openvpn.net/openvpn/wiki/CVE-2023-46849
x_transferred
https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/
x_transferred
https://www.debian.org/security/2023/dsa-5555
x_transferred
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/
x_transferred
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/
x_transferred
2. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found