CVE-2019-11868
See.sys through 4.25 in the SoftEther VPN Server allows a user to specify any kernel address to...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2019-11868- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2019-11868- Updated
- 2026-11-02
EUVDEUVD-2019-3528 No score
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.
- Record
EUVD-2019-3528- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fvwg-j6fx-cf57
See.sys through 4.25 in the SoftEther VPN Server allows a user to specify any kernel address to...
See.sys through 4.25 in the SoftEther VPN Server allows a user to specify any kernel address to which arbitrary bytes are written.
- Record
GHSA-fvwg-j6fx-cf57- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-11868 is a high vulnerability (CVSS 7.8) in Softether See.sys, published July 29, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 29th percentile. No source names a fixed version.