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Fencer Vulns
high 7.8

CVE-2020-23967 json

Dr.Web Security Space versions 11 and 12 allow elevation of privilege for local users without administrative privileges to NT AUTHORITY\SYS…

published 2021-03-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-16703

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits
0
none known

Summary

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.

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • amonitoring.ru https://amonitoring.ru/article/drweb/ referenced PoC, tagged "exploit" by a source, unverified
  • habr.com https://habr.com/ru/company/pm/blog/509592/ referenced PoC, tagged "exploit" by a source, unverified
  • youtube.com https://www.youtube.com/watch?v=q7Kqi7kE59U 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 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-347 Improper Verification of Cryptographic Signature

References

Sources

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.