boxscore/security
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Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2018-20753CRITICAL
n/a n/a — Kaseya Virtual System/Server Administrator (VSA)
  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  H  H    9.8   .2934   98.0   YES
AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —
TIMELINE
  Feb 4   Reserved by mitre
  Apr 13  Added to CISA KEV, remediation due 2022-05-04
  Apr 13  Published (CNA: mitre)
  Aug 13  EXPLOIT PUBLISHED — CVE-2018-20753. Public exploit reference added.
CNA: mitre · CVSS v3.1 · 3 references · NVD status: Analyzed · KEV due May 4, 2022

Description

Kaseya VSA RMM before R9.3 9.3.0.35, R9.4 before 9.4.0.36, and R9.5 before 9.5.0.5 allows unprivileged remote attackers to execute PowerShell payloads on all managed devices. In January 2018, attackers actively exploited this vulnerability in the wild.

Lifecycle

Complete event history — 4 events, chronological
DateEventDetail
February 4, 2019ReservedReserved by mitre
April 13, 2022KEV ADDEDAdded to CISA KEV, remediation due 2022-05-04
April 13, 2022PublishedPublished (CNA: mitre)
August 13, 2026EXPLOIT PUBLISHEDEXPLOIT PUBLISHED — CVE-2018-20753. Public exploit reference added.

Affected

Affected products and packages — 1 row
VendorProduct / PackageEcosystemVersion introducedFixed
n/an/an/a

References (3)

Related

Authoritative record: CVE-2018-20753 at cve.org

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2018-20753 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.