What is CVE-2019-8456?

CVE-2019-8456 is a medium-severity vulnerability in Check Point Ipsec Vpn, classified under Improper Access Control. CVSS score: 5.9/10. Published 2019-04-09.

How severe is CVE-2019-8456?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Check Point Ipsec Vpn

CVE-2019-8456

Check Point IKEv2 IPsec VPN up to R80.30, in some less common conditions, may allow an attacker with knowledge of the internal configuration and setup to successfully connect to a site-to-site VPN server.

Published 2019-04-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.204 (97.4th percentile), scored 2026-09-28.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.204 · newest: 0.204 · change: 0.000

Affected products

Check Point Ipsec Vpn — versions Up to R80.30
Checkpoint Ipsec Vpn — versions r80.10, r80.20

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

supportcenter.checkpoint.com/supportcenter/portal (Vendor Advisory)

Frequently asked questions

What is CVE-2019-8456?: CVE-2019-8456 is a medium-severity vulnerability in Check Point Ipsec Vpn, classified under Improper Access Control. CVSS score: 5.9/10. Published 2019-04-09.
How severe is CVE-2019-8456?: Medium severity. CVSS v3 base score is 5.9 out of 10.