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CVE-2019-8459

INDEX BUILT · 2026-09-20

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Check Point Endpoint Security Client for Windows, with the VPN blade, before version E80.83, starts a process without using quotes in the path

CVE-2019-84594 of 4 sources documented this
32

rank 32 = 0 + 25 + 0 + 7 + 0

rank@v1 · scheduled

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.01191  ·  without this subject the record ranks 32

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 9.8, from NVD  ·  without this subject the record ranks 7

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

no persisting rise in 365 days  ·  without this subject the record ranks 32

How much of the world it touches

NVD CPE configurations

7 products in the CPE ranges  ·  without this subject the record ranks 25

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 32

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$59,400over the next 30 days, if this record is yours
Movementno material movementthe record holds only daily drift and scoring model releases
Basisassumeda published average, not your estate

$59,400 = $4.99M incident cost x 1 exposure x 0.01191 likelihood

udv@v1 · unaudited · wrong for you until you say what you run

$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.

Hindsight · the state

0.01191EPSSNOT IN KEVas of 2026-09-20
Severity9.8 CRITICALreceipt
Harmtotal loss · unauthenticatedreceipt
Exploitationnone in held sources
Defenseunaffected versions publishedreceipt
Movementrisenreceipt
PLATEAU10Minimal movement since 2021-04-14, 1971 days at 0.01, as of 2026-09-06. arc-rules@v1

Foresight · where to check next

No weakness class or product neighbourhood is held for this record, so this index cannot name anywhere to check next. That is an absence in the record, not a finding about the software.

Color is a claim, not decoration:the hostile worldthe defenseno signal

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Harm, if it fires from the vector and the weakness

Written for the ticket you're about to file.

Reachnetwork-reachable · no privileges required · no user interaction · low attack complexityreceipt
ImpactComplete confidentiality, integrity and availability lossreceipt
Scored fromCVSS v3.0 · NVD's vectorreceipt
Weakness classCWE-428 Unquoted Search Path or Elementreceipt
Published consequencesCWE-428: Confidentiality, Integrity, Availability: Execute Unauthorized Code or Commands[email protected]

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

First unaffected version, by branchcapsule docs standalone client e80.82; endpoint security clients e80.83; endpoint security server package r77.30.03; jumbo hotfix for endpoint security server r77.30; remote access clients e80.83…receipt
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.

Exploit Status & Known PoCs a ladder, not a score

Current rung: Nothing observed in held sources.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, NVD9.8 CRITICALreceipt
Exploit probability0.01191 · top 33% of all CVEsreceipt
Blast breadth7 products across 1 vendorderived
Assigned bycheckpointreceipt
Recorded changes13 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Affected productCheck Point Endpoint Security Client for Windows, VPN bladereceipt
Published rangescheckpoint jumbo hotfix for endpoint security server < r77.30; checkpoint endpoint security server package < r77.30.03; checkpoint smartconsole for endpoint security server < r77.30.03; checkpoint smartconsole for endpoint security server e80.83receipt
Show all 7 published ranges
checkpoint jumbo hotfix for endpoint security server < r77.30
checkpoint endpoint security server package < r77.30.03
checkpoint smartconsole for endpoint security server < r77.30.03
checkpoint smartconsole for endpoint security server e80.83
checkpoint endpoint security clients < e80.83
checkpoint remote access clients < e80.83
checkpoint capsule docs standalone client < e80.82

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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What it is stated by the CNA

Check Point Endpoint Security Client for Windows, with the VPN blade, before version E80.83, starts a process without using quotes in the path. This can cause loading of a previously placed executable with a name similar to the parts of the path, instead of the intended one. receipt

NVD's analysis a second authority

severity
9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
weakness
CWE-428
affected versions
checkpoint jumbo hotfix for endpoint security server < r77.30; checkpoint endpoint security server package < r77.30.03; checkpoint smartconsole for endpoint security server < r77.30.03; and 4 more, listed in full below

check it yourself supportcenter.checkpoint.com receipt

Dated events

2022-02-04EPSS moved 0.02 to 0.092022-04-01EPSS moved 0.09 to 0.01

Movement the material steps

14 Apr 20210.00416
7 Mar 20230.00222 · scoring model v2023.03.01
17 Mar 20250.00504 · scoring model v2025.03.14
15 Jun 20260.01191 · scoring model v2026.06.15
6 Sep 20260.01191
Show all 13 observations
14 Apr 20210.00416
6 Jan 20220.0184
4 Feb 20220.09029
1 Apr 20220.00885
7 Mar 20230.00222
17 Mar 20250.00504
29 Mar 20250.00976
30 Mar 20250.00504
15 Jun 20260.01191
23 Aug 20260.01092
30 Aug 20260.01191
5 Sep 20260.01092
6 Sep 20260.01191

13 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.01191Published2019-06-20Index as of2026-09-06

The record had been public for 7 years, 2 months when this index was last written.

Published 2019-06-20 receipt · Index as of 2026-09-06 derived

Siblings and hubs

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What usually comes next

Everything above needs no account. What is below is work: assembling it, scoping it to your estate, watching it, and handing it to someone else.

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