What is CVE-2020-23967?

CVE-2020-23967 is a high-severity vulnerability in Drweb Security Space, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.8/10. Published 2021-03-08.

How severe is CVE-2020-23967?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Drweb Security Space

CVE-2020-23967

Dr.Web Security Space versions 11 and 12 allow elevation of privilege for local users without administrative privileges to NT AUTHORITY\SYSTEM due to insufficient control during autoupdate.

Published 2021-03-08 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.003 (22.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Drweb Security Space — versions 11.0, 12.0

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

amonitoring.ru/article/drweb/ (Exploit, Third Party Advisory)
habr.com/ru/company/pm/blog/509592/ (Exploit, Third Party Advisory)
www.youtube.com/watch (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-23967?: CVE-2020-23967 is a high-severity vulnerability in Drweb Security Space, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.8/10. Published 2021-03-08.
How severe is CVE-2020-23967?: High severity. CVSS v3 base score is 7.8 out of 10.