CVE-2020-8508 json
nsak64.sys in Norman Malware Cleaner 2.08.08 allows users to call arbitrary kernel functions because the passing of function pointers betwe…
published 2020-02-03 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-29374
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 0
- none known
Summary
nsak64.sys in Norman Malware Cleaner 2.08.08 allows users to call arbitrary kernel functions because the passing of function pointers between user and kernel mode is mishandled.
Exploit prediction
1.72% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- downwithup.github.io https://downwithup.github.io/CVEPosts.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
downwithup.github.io
/CVEPosts.html
exploit, third-party-advisory
Sources
- CVE List CVE-2020-8508
- NVD CVE-2020-8508
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.