CVE-2023-31192 json
An information disclosure vulnerability exists in the ClientConnect() functionality of SoftEther VPN 5.01.9674.
published 2023-10-12 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-35508
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2023-1768 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected products
- SoftEther VPN SoftEther VPN
- softether vpn
Classification
References
-
softether.org
/9-about/News/904-SEVPN202301
patch, vendor-advisory
-
talosintelligence.com
/vulnerability_reports/TALOS-2023-1768
exploit, third-party-advisory
- talosintelligence.com /vulnerability_reports/TALOS-2023-1768
Sources
- CVE List CVE-2023-31192
- NVD CVE-2023-31192
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