Buffer overflow in Softether See.sys
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.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (28.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Softether See.sys
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-11868?
- CVE-2019-11868 is a high-severity vulnerability in Softether See.sys, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-07-29.
- How severe is CVE-2019-11868?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2019-11868 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.