VulnerabilityModified
CVE-2019-11868
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.
HIGH 7.8EPSS 0.35%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.35% probability · 29th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- softether/see.sys
- Source
- cve@mitre.org
References
- https://downwithup.github.io/CVEPostsThird Party Advisory
- https://github.com/SoftEtherVPN/SoftEtherVPN/tree/master/src/SeeThird Party Advisory
- https://www.softether.org/9-about/News/900-SEVPN201901Vendor Advisory
- https://downwithup.github.io/CVEPostsThird Party Advisory
- https://github.com/SoftEtherVPN/SoftEtherVPN/tree/master/src/SeeThird Party Advisory
- https://www.softether.org/9-about/News/900-SEVPN201901Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.