CVE-2019-8456

Ipsec Vpn vulnerability

CVSS

5.9

EPSS

20.4%

EPSS pct

97th

Exploited

No known

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.

Affected vendor

Checkpoint

Affected product

Ipsec Vpn

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness type (CWE)

CWE-284 — Improper Access Control

Published

2019-04-09

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 20.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2019-8456

Confirm whether Checkpoint Ipsec Vpn is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2019-8456.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-8456

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-8456 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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