| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 11 |
| CVE ID | N/A |
| CWE ID | CWE-126 CWE-119 CWE-125 CWE-400 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
SoftEther VPN Server applications / Remote access servers, VPN |
| Vendor | SoftEther VPN Project |
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]
CVE-ID: N/A
CWE-ID:
CWE-126 - Buffer Over-read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to buffer overread in ParseL2TPPacket(). A remote attacker can trigger memory corruption and cause the running server process to crash.
Successful exploitation of the vulnerability results in denial of service.
Update to version 4.25 Build 9656.
Vulnerable software versionsSoftEther VPN: 4.03, 4.04, 4.05, 4.06, 4.07, 4.08, 4.09, 4.10, 4.11, 4.12, 4.13, 4.14, 4.15, 4.17, 4.18, 4.19, 4.20, 4.21, 4.22, 4.23, 4.24, 4.25
CPEhttp://www.softether.org/5-download/history
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]
CVE-ID: N/A
CWE-ID:
CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to boundary error in IcmpParseResult. A remote attacker can trigger memory corruption and cause the running server process to crash.
Successful exploitation of the vulnerability results in denial of service.
Update to version 4.25 Build 9656.
Vulnerable software versionsSoftEther VPN: 4.03, 4.04, 4.05, 4.06, 4.07, 4.08, 4.09, 4.10, 4.11, 4.12, 4.13, 4.14, 4.15, 4.17, 4.18, 4.19, 4.20, 4.21, 4.22, 4.23, 4.24, 4.25
CPEhttp://www.softether.org/5-download/history
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]
CVE-ID: N/A
CWE-ID:
CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to missing bounds check in ParseUDP(). A remote attacker can trigger invalid memory access and cause the running server process to crash.
Successful exploitation of the vulnerability results in denial of service.
Update to version 4.25 Build 9656.
Vulnerable software versionsSoftEther VPN: 4.03, 4.04, 4.05, 4.06, 4.07, 4.08, 4.09, 4.10, 4.11, 4.12, 4.13, 4.14, 4.15, 4.17, 4.18, 4.19, 4.20, 4.21, 4.22, 4.23, 4.24, 4.25
CPEhttp://www.softether.org/5-download/history
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]
CVE-ID: N/A
CWE-ID:
CWE-125 - Out-of-bounds Read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to out-of-bounds read in IPsec_PPP.c. A remote attacker can trigger invalid memory access and cause the running server process to crash.
Successful exploitation of the vulnerability results in denial of service.
Update to version 4.25 Build 9656.
Vulnerable software versionsSoftEther VPN: 4.03, 4.04, 4.05, 4.06, 4.07, 4.08, 4.09, 4.10, 4.11, 4.12, 4.13, 4.14, 4.15, 4.17, 4.18, 4.19, 4.20, 4.21, 4.22, 4.23, 4.24, 4.25
CPEhttp://www.softether.org/5-download/history
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]
CVE-ID: N/A
CWE-ID:
CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to overlapping parameters to memcpy() via StrToIp6(). A remote attacker can trigger memory corruption and cause the running server process to crash.
Successful exploitation of the vulnerability results in denial of service.
Update to version 4.25 Build 9656.
Vulnerable software versionsSoftEther VPN: 4.03, 4.04, 4.05, 4.06, 4.07, 4.08, 4.09, 4.10, 4.11, 4.12, 4.13, 4.14, 4.15, 4.17, 4.18, 4.19, 4.20, 4.21, 4.22, 4.23, 4.24, 4.25
CPEhttp://www.softether.org/5-download/history
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]
CVE-ID: N/A
CWE-ID:
CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to PACK ReadValue() crash. A remote attacker can trigger memory corruption and cause the running server process to crash.
Successful exploitation of the vulnerability results in denial of service.
Update to version 4.25 Build 9656.
Vulnerable software versionsSoftEther VPN: 4.03, 4.04, 4.05, 4.06, 4.07, 4.08, 4.09, 4.10, 4.11, 4.12, 4.13, 4.14, 4.15, 4.17, 4.18, 4.19, 4.20, 4.21, 4.22, 4.23, 4.24, 4.25
CPEhttp://www.softether.org/5-download/history
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]
CVE-ID: N/A
CWE-ID:
CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to potential use of uninitialized memory via IPToInAddr6(). A remote attacker can trigger memory corruption and cause the running server process to crash.
Successful exploitation of the vulnerability results in denial of service.
Update to version 4.25 Build 9656.
Vulnerable software versionsSoftEther VPN: 4.03, 4.04, 4.05, 4.06, 4.07, 4.08, 4.09, 4.10, 4.11, 4.12, 4.13, 4.14, 4.15, 4.17, 4.18, 4.19, 4.20, 4.21, 4.22, 4.23, 4.24, 4.25
CPEhttp://www.softether.org/5-download/history
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]
CVE-ID: N/A
CWE-ID:
CWE-400 - Uncontrolled Resource Consumption ('Resource Exhaustion')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to memory leak in NnReadDnsRecord. A remote attacker can trigger excessive memory exhaustion and cause the running server process to crash.
Update to version 4.25 Build 9656.
Vulnerable software versionsSoftEther VPN: 4.03, 4.04, 4.05, 4.06, 4.07, 4.08, 4.09, 4.10, 4.11, 4.12, 4.13, 4.14, 4.15, 4.17, 4.18, 4.19, 4.20, 4.21, 4.22, 4.23, 4.24, 4.25
CPEhttp://www.softether.org/5-download/history
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]
CVE-ID: N/A
CWE-ID:
CWE-400 - Uncontrolled Resource Consumption ('Resource Exhaustion')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to memory leak in RadiusLogin(). A remote attacker can trigger excessive memory exhaustion and cause the running server process to crash.
Update to version 4.25 Build 9656.
Vulnerable software versionsSoftEther VPN: 4.03, 4.04, 4.05, 4.06, 4.07, 4.08, 4.09, 4.10, 4.11, 4.12, 4.13, 4.14, 4.15, 4.17, 4.18, 4.19, 4.20, 4.21, 4.22, 4.23, 4.24, 4.25
CPEhttp://www.softether.org/5-download/history
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]
CVE-ID: N/A
CWE-ID:
CWE-400 - Uncontrolled Resource Consumption ('Resource Exhaustion')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to memory leak via ParsePacketIPv4WithDummyMacHeader. A remote attacker can trigger excessive memory exhaustion and cause the running server process to crash.
Update to version 4.25 Build 9656.
Vulnerable software versionsSoftEther VPN: 4.03, 4.04, 4.05, 4.06, 4.07, 4.08, 4.09, 4.10, 4.11, 4.12, 4.13, 4.14, 4.15, 4.17, 4.18, 4.19, 4.20, 4.21, 4.22, 4.23, 4.24, 4.25
CPEhttp://www.softether.org/5-download/history
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
Risk: Low
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]
CVE-ID: N/A
CWE-ID:
CWE-400 - Uncontrolled Resource Consumption ('Resource Exhaustion')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to memory leak in OpenVPN server code. A remote attacker can trigger excessive memory exhaustion and cause the running server process to crash.
Update to version 4.25 Build 9656.
Vulnerable software versionsSoftEther VPN: 4.03, 4.04, 4.05, 4.06, 4.07, 4.08, 4.09, 4.10, 4.11, 4.12, 4.13, 4.14, 4.15, 4.17, 4.18, 4.19, 4.20, 4.21, 4.22, 4.23, 4.24, 4.25
CPEhttp://www.softether.org/5-download/history
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.