How severe is CVE-2019-8456?

CVE-2019-8456 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-8456 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-8456?

CVE-2019-8456 primarily affects Checkpoint Ipsec Vpn. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-8456?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-8456 published?

CVE-2019-8456 was published on 2019-04-09 and last updated on 2026-06-17.

CVE-2019-8456

CVE-2019-8456 is a medium-severity vulnerability in Checkpoint Ipsec Vpn with a CVSS 3.x base score of 5.9. Its EPSS exploit-prediction score of 20% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 20% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Checkpoint Ipsec Vpn
Published: 2019-04-09
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2019-8456?: CVE-2019-8456 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-8456 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-8456?: CVE-2019-8456 primarily affects Checkpoint Ipsec Vpn. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-8456?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-8456 published?: CVE-2019-8456 was published on 2019-04-09 and last updated on 2026-06-17.

References

https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk149892

Affected products (2)

cpe:2.3:a:checkpoint:ipsec_vpn:r80.10:*:*:*:*:*:*:*
cpe:2.3:a:checkpoint:ipsec_vpn:r80.20:*:*:*:*:*:*:*

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