No exploitation reportedFix available

CVE-2019-8459

Q: Is CVE-2019-8459 actively exploited?

Active exploitation of CVE-2019-8459 has not been confirmed. Its EPSS score was 1.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2019-8459?

CVE-2019-8459 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2019-06-20
Fixed inr77.30.03
WeaknessCWE-428

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2019-06-2017:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-8459?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-8459?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Checkpoint smartconsole for endpoint security server

Branch	Affected	Fixed in	Source
—	< r77.30.03	r77.30.03	NVD
—	= e80.83	no fix published	NVD

Checkpoint capsule docs standalone client

Branch	Affected	Fixed in	Source
—	< e80.82	e80.82	NVD

Checkpoint endpoint security clients

Branch	Affected	Fixed in	Source
—	< e80.83	e80.83	NVD

3 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Checkpoint smartconsole for endpoint security server to r77.30.03

Advisories and patches

supportcenter.checkpoint.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.09.8read 2026-10-23
NVDCVSS 2.07.5read 2026-10-23
CNAweakness (CWE)CWE-428read 2026-10-23
NVDweakness (CWE)CWE-428read 2026-10-23
FIRST EPSSEPSS score1.2 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2019-06-20
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-8459?

Is CVE-2019-8459 actively exploited?

Active exploitation of CVE-2019-8459 has not been confirmed. Its EPSS score was 1.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-8459?

CVE-2019-8459 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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