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CVE-2023-32634 (GCVE-0-2023-32634)

Vulnerability from cvelistv5 – Published: 2023-10-12 15:27 – Updated: 2025-11-04 19:16
VLAI
Summary
An authentication bypass vulnerability exists in the CiRpcServerThread() functionality of SoftEther VPN 5.01.9674 and 4.41-9782-beta. An attacker can perform a local man-in-the-middle attack to trigger this vulnerability.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-17 18:23 UTC
CWE
  • CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')
Assigner
References
Impacted products
Vendor Product Version CPE status
SoftEther VPN SoftEther VPN Affected: 4.41-9782-beta
Affected: 5.01.9674
guessed Create a notification for this product.
softether vpn Affected: 4.41-9782
    cpe:2.3:a:softether:vpn:4.41-9782:beta:*:*:*:*:*:*
Create a notification for this product.
softether vpn Affected: 5.01.9674
    cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Discovered by Lilith >_> of Cisco Talos.
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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