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18 vulnerabilities found for SoftEther VPN by SoftEther VPN
CVE-2023-32634 (GCVE-0-2023-32634)
Vulnerability from nvd – 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)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEther VPN | SoftEther VPN |
Affected:
4.41-9782-beta
Affected: 5.01.9674 |
|
| softether | vpn |
Affected:
4.41-9782
cpe:2.3:a:softether:vpn:4.41-9782:beta:*:*:*:*:*:* |
|
| softether | vpn |
Affected:
5.01.9674
cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:* |
Credits
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CVE-2023-32275 (GCVE-0-2023-32275)
Vulnerability from nvd – Published: 2023-10-12 15:27 – Updated: 2025-11-04 19:16
VLAI
Summary
An information disclosure vulnerability exists in the CtEnumCa() functionality of SoftEther VPN 4.41-9782-beta and 5.01.9674. Specially crafted network packets can lead to a disclosure of sensitive information. An attacker can send packets to trigger this vulnerability.
Severity
5.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-201 - Information Exposure Through Sent Data
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEther VPN | SoftEther VPN |
Affected:
4.41-9782-beta
Affected: 5.01.9674 |
|
| softether | vpn |
Affected:
4.41-9782
cpe:2.3:a:softether:vpn:4.41-9782:beta:*:*:*:*:*:* |
|
| softether | vpn |
Affected:
5.01.9674
cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:* |
Credits
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CVE-2023-31192 (GCVE-0-2023-31192)
Vulnerability from nvd – Published: 2023-10-12 15:27 – Updated: 2025-11-04 19:15
VLAI
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.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEther VPN | SoftEther VPN |
Affected:
5.01.9674
|
|
| softether | vpn |
Affected:
5.01.9674
cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:* |
Credits
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CVE-2023-27516 (GCVE-0-2023-27516)
Vulnerability from nvd – Published: 2023-10-12 15:27 – Updated: 2024-08-02 12:16
VLAI
Summary
An authentication bypass vulnerability exists in the CiRpcAccepted() functionality of SoftEther VPN 4.41-9782-beta and 5.01.9674. A specially crafted network packet can lead to unauthorized access. An attacker can send a network request to trigger this vulnerability.
Severity
7.3 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-453 - Insecure Default Variable Initialization
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEther VPN | SoftEther VPN |
Affected:
4.41-9782-beta
Affected: 5.01.9674 |
|
| softether | vpn |
Affected:
4.41-9782
cpe:2.3:a:softether:vpn:4.41-9782:beta:*:*:*:*:*:* |
|
| softether | vpn |
Affected:
5.01.9674
cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:* |
Credits
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CVE-2023-27395 (GCVE-0-2023-27395)
Vulnerability from nvd – Published: 2023-10-12 15:27 – Updated: 2024-08-02 12:09
VLAI
Summary
A heap-based buffer overflow vulnerability exists in the vpnserver WpcParsePacket() functionality of SoftEther VPN 4.41-9782-beta, 5.01.9674 and 5.02. A specially crafted network packet can lead to arbitrary code execution. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.
Severity
9 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEther VPN | SoftEther VPN |
Affected:
4.41-9782-beta
Affected: 5.01.9674 Affected: 5.02 |
|
| softether_vpn | softether_vpn |
Affected:
4.41-9782-beta
Affected: 5.01.9674 Affected: 5.02 cpe:2.3:a:softether_vpn:softether_vpn:*:*:*:*:*:*:*:* |
Credits
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CVE-2023-25774 (GCVE-0-2023-25774)
Vulnerability from nvd – Published: 2023-10-12 15:27 – Updated: 2024-08-02 11:32
VLAI
Summary
A denial-of-service vulnerability exists in the vpnserver ConnectionAccept() functionality of SoftEther VPN 5.02. A set of specially crafted network connections can lead to denial of service. An attacker can send a sequence of malicious packets to trigger this vulnerability.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEther VPN | SoftEther VPN |
Affected:
5.01.9674
Affected: 5.02 |
|
| softether | vpn |
Affected:
5.01.9674
cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:* |
|
| softether | vpn |
Affected:
5.02
cpe:2.3:a:softether:vpn:5.02:*:*:*:*:*:*:* |
Credits
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CVE-2023-23581 (GCVE-0-2023-23581)
Vulnerability from nvd – Published: 2023-10-12 15:27 – Updated: 2024-08-02 10:35
VLAI
Summary
A denial-of-service vulnerability exists in the vpnserver EnSafeHttpHeaderValueStr functionality of SoftEther VPN 5.01.9674 and 5.02. A specially crafted network packet can lead to denial of service.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEther VPN | SoftEther VPN |
Affected:
5.01.9674
Affected: 5.02 |
|
| softether | vpn |
Affected:
5.01.9674
cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:* |
|
| softether | vpn |
Affected:
5.02
cpe:2.3:a:softether:vpn:5.02:*:*:*:*:*:*:* |
Credits
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CVE-2023-22325 (GCVE-0-2023-22325)
Vulnerability from nvd – Published: 2023-10-12 15:27 – Updated: 2024-08-02 10:07
VLAI
Summary
A denial of service vulnerability exists in the DCRegister DDNS_RPC_MAX_RECV_SIZE functionality of SoftEther VPN 4.41-9782-beta, 5.01.9674 and 5.02. A specially crafted network packet can lead to denial of service. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.
Severity
5.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEther VPN | SoftEther VPN |
Affected:
4.41-9782-beta
Affected: 5.01.9674 Affected: 5.02 |
|
| softether | vpn |
Affected:
4.41-9782
cpe:2.3:a:softether:vpn:4.41-9782:beta:*:*:*:*:*:* |
|
| softether | vpn |
Affected:
5.01.9674
cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:* |
|
| softether | vpn |
Affected:
5.02
cpe:2.3:a:softether:vpn:5.02:*:*:*:*:*:*:* |
Credits
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CVE-2023-22308 (GCVE-0-2023-22308)
Vulnerability from nvd – Published: 2023-10-12 15:27 – Updated: 2024-08-02 10:07
VLAI
Summary
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.
Severity
7.5 (High)
CWE
- CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEther VPN | SoftEther VPN |
Affected:
5.01.9674
Affected: 5.02 |
Credits
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CVE-2023-27395 (GCVE-0-2023-27395)
Vulnerability from cvelistv5 – Published: 2023-10-12 15:27 – Updated: 2024-08-02 12:09
VLAI
Summary
A heap-based buffer overflow vulnerability exists in the vpnserver WpcParsePacket() functionality of SoftEther VPN 4.41-9782-beta, 5.01.9674 and 5.02. A specially crafted network packet can lead to arbitrary code execution. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.
Severity
9 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEther VPN | SoftEther VPN |
Affected:
4.41-9782-beta
Affected: 5.01.9674 Affected: 5.02 |
|
| softether_vpn | softether_vpn |
Affected:
4.41-9782-beta
Affected: 5.01.9674 Affected: 5.02 cpe:2.3:a:softether_vpn:softether_vpn:*:*:*:*:*:*:*:* |
Credits
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CVE-2023-22325 (GCVE-0-2023-22325)
Vulnerability from cvelistv5 – Published: 2023-10-12 15:27 – Updated: 2024-08-02 10:07
VLAI
Summary
A denial of service vulnerability exists in the DCRegister DDNS_RPC_MAX_RECV_SIZE functionality of SoftEther VPN 4.41-9782-beta, 5.01.9674 and 5.02. A specially crafted network packet can lead to denial of service. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.
Severity
5.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEther VPN | SoftEther VPN |
Affected:
4.41-9782-beta
Affected: 5.01.9674 Affected: 5.02 |
|
| softether | vpn |
Affected:
4.41-9782
cpe:2.3:a:softether:vpn:4.41-9782:beta:*:*:*:*:*:* |
|
| softether | vpn |
Affected:
5.01.9674
cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:* |
|
| softether | vpn |
Affected:
5.02
cpe:2.3:a:softether:vpn:5.02:*:*:*:*:*:*:* |
Credits
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CVE-2023-22308 (GCVE-0-2023-22308)
Vulnerability from cvelistv5 – Published: 2023-10-12 15:27 – Updated: 2024-08-02 10:07
VLAI
Summary
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.
Severity
7.5 (High)
CWE
- CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEther VPN | SoftEther VPN |
Affected:
5.01.9674
Affected: 5.02 |
Credits
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CVE-2023-23581 (GCVE-0-2023-23581)
Vulnerability from cvelistv5 – Published: 2023-10-12 15:27 – Updated: 2024-08-02 10:35
VLAI
Summary
A denial-of-service vulnerability exists in the vpnserver EnSafeHttpHeaderValueStr functionality of SoftEther VPN 5.01.9674 and 5.02. A specially crafted network packet can lead to denial of service.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEther VPN | SoftEther VPN |
Affected:
5.01.9674
Affected: 5.02 |
|
| softether | vpn |
Affected:
5.01.9674
cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:* |
|
| softether | vpn |
Affected:
5.02
cpe:2.3:a:softether:vpn:5.02:*:*:*:*:*:*:* |
Credits
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CVE-2023-25774 (GCVE-0-2023-25774)
Vulnerability from cvelistv5 – Published: 2023-10-12 15:27 – Updated: 2024-08-02 11:32
VLAI
Summary
A denial-of-service vulnerability exists in the vpnserver ConnectionAccept() functionality of SoftEther VPN 5.02. A set of specially crafted network connections can lead to denial of service. An attacker can send a sequence of malicious packets to trigger this vulnerability.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEther VPN | SoftEther VPN |
Affected:
5.01.9674
Affected: 5.02 |
|
| softether | vpn |
Affected:
5.01.9674
cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:* |
|
| softether | vpn |
Affected:
5.02
cpe:2.3:a:softether:vpn:5.02:*:*:*:*:*:*:* |
Credits
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CVE-2023-32275 (GCVE-0-2023-32275)
Vulnerability from cvelistv5 – Published: 2023-10-12 15:27 – Updated: 2025-11-04 19:16
VLAI
Summary
An information disclosure vulnerability exists in the CtEnumCa() functionality of SoftEther VPN 4.41-9782-beta and 5.01.9674. Specially crafted network packets can lead to a disclosure of sensitive information. An attacker can send packets to trigger this vulnerability.
Severity
5.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-201 - Information Exposure Through Sent Data
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEther VPN | SoftEther VPN |
Affected:
4.41-9782-beta
Affected: 5.01.9674 |
|
| softether | vpn |
Affected:
4.41-9782
cpe:2.3:a:softether:vpn:4.41-9782:beta:*:*:*:*:*:* |
|
| softether | vpn |
Affected:
5.01.9674
cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:* |
Credits
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CVE-2023-27516 (GCVE-0-2023-27516)
Vulnerability from cvelistv5 – Published: 2023-10-12 15:27 – Updated: 2024-08-02 12:16
VLAI
Summary
An authentication bypass vulnerability exists in the CiRpcAccepted() functionality of SoftEther VPN 4.41-9782-beta and 5.01.9674. A specially crafted network packet can lead to unauthorized access. An attacker can send a network request to trigger this vulnerability.
Severity
7.3 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-453 - Insecure Default Variable Initialization
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEther VPN | SoftEther VPN |
Affected:
4.41-9782-beta
Affected: 5.01.9674 |
|
| softether | vpn |
Affected:
4.41-9782
cpe:2.3:a:softether:vpn:4.41-9782:beta:*:*:*:*:*:* |
|
| softether | vpn |
Affected:
5.01.9674
cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:* |
Credits
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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)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEther VPN | SoftEther VPN |
Affected:
4.41-9782-beta
Affected: 5.01.9674 |
|
| softether | vpn |
Affected:
4.41-9782
cpe:2.3:a:softether:vpn:4.41-9782:beta:*:*:*:*:*:* |
|
| softether | vpn |
Affected:
5.01.9674
cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:* |
Credits
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CVE-2023-31192 (GCVE-0-2023-31192)
Vulnerability from cvelistv5 – Published: 2023-10-12 15:27 – Updated: 2025-11-04 19:15
VLAI
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.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEther VPN | SoftEther VPN |
Affected:
5.01.9674
|
|
| softether | vpn |
Affected:
5.01.9674
cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:* |
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