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CVE-2023-22308

Published: Oct 12, 2023Updated: Nov 21, 2024 Sources: CVE List NVDCWE-191
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.7%
Top 50.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

An integer underflow vulnerability exists in the vpnserver OvsProcessData functionality of SoftEther VPN 5.01.9674 and 5.02. A specially crafted network packet can lead to denial of service. An attacker can send a malicious packet to trigger this vulnerability.

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-191

Affected Products

SoftEther VPNSoftEther VPN
Mixed
Networking Infrastructure / vpn-gateway
vpnsoftether
On-prem
Networking Infrastructure / vpn-gateway
softether vpnoss-projectJPNetworking Infrastructureaka softether
softetheross-projectNetworking Infrastructureaka softether vpn, softether vpn server

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1737
talosintelligence.com
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1737
talosintelligence.com

Timeline

Published
Oct 12, 2023
Last Updated
Nov 21, 2024

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