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Fencer Intel
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 5y ago modified 4mo 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.

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Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-09).

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 Intel 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.