CVE-2020-12122 json
In Max Secure Max Spyware Detector 1.0.0.044, the driver file (MaxProc64.sys) allows local users to cause a denial of service (BSOD) or pos…
published 2021-02-05 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-4437
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 41%
- public exploits
- 0
- none known
Summary
In Max Secure Max Spyware Detector 1.0.0.044, the driver file (MaxProc64.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x2200019. (This also extends to the various other products from Max Secure that include MaxProc64.sys.)
Exploit prediction
0.47% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/FULLSHADE/Kernel-exploits/tree/master/MaxProc64.sys referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
github.com
/FULLSHADE/Kernel-exploits/tree/master/MaxProc64.sys
exploit, third-party-advisory
-
maxpcsecure.com
/spywaredetector.htm
product
-
github.com
/FULLSHADE/Kernel-exploits
product
Sources
- CVE List CVE-2020-12122
- NVD CVE-2020-12122
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.