Cyber Resilience

CVE-2023-31192

MediumPublic PoC

Published: 12 October 2023

Published
12 October 2023
Modified
04 November 2025
KEV Added
Patch
CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0031 54.3th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-31192 is a medium-severity Use of Uninitialized Variable (CWE-457) vulnerability in Softether Vpn. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 45.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

An information disclosure vulnerability exists in the ClientConnect() functionality of SoftEther VPN 5.01.9674. A specially crafted network packet can lead to a disclosure of sensitive information. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

softether
vpn
5.01.9674

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References