What’s Vulnerable › Vulnerabilities

CVE-2019-11868

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-07-29 · updated 2026-06-17
• Weakness: CWE-787

Description

See.sys, up to version 4.25, in SoftEther VPN Server versions 4.29 or older, allows a user to call an IOCTL specifying any kernel address to which arbitrary bytes are written to.

Affected products

• Softether See.Sys: through 4.25

References

• https://downwithup.github.io/CVEPosts
• https://github.com/SoftEtherVPN/SoftEtherVPN/tree/master/src/See
• https://www.softether.org/9-about/News/900-SEVPN201901
• https://downwithup.github.io/CVEPosts
• https://github.com/SoftEtherVPN/SoftEtherVPN/tree/master/src/See
• https://www.softether.org/9-about/News/900-SEVPN201901

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