What is CVE-2020-8508?

CVE-2020-8508 is a critical-severity vulnerability in Norman Malware Cleaner, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-02-03.

How severe is CVE-2020-8508?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2020-8508 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Norman Malware Cleaner

CVE-2020-8508

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.

Vulnerability class: Buffer Overflow

EPSS: 0.017 (75.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Norman Malware_cleaner — versions 2.08.08
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

DownWithUp/CVE-Stockpile

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-8508?: CVE-2020-8508 is a critical-severity vulnerability in Norman Malware Cleaner, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-02-03.
How severe is CVE-2020-8508?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-8508 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.