How severe is CVE-2023-28133?

CVE-2023-28133 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-28133 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28133?

CVE-2023-28133 affects Checkpoint Endpoint Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-28133?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-28133 published?

CVE-2023-28133 was published on 2023-07-23 and last updated on 2026-06-17.

CVE-2023-28133

CVE-2023-28133 is a high-severity vulnerability in Checkpoint Endpoint Security with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Checkpoint Endpoint Security
Published: 2023-07-23
Last modified: 2026-06-17

Description

Local privilege escalation in Check Point Endpoint Security Client (version E87.30) via crafted OpenSSL configuration file

Frequently asked questions

What is CVE-2023-28133?: Local privilege escalation in Check Point Endpoint Security Client (version E87.30) via crafted OpenSSL configuration file
How severe is CVE-2023-28133?: CVE-2023-28133 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-28133 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28133?: CVE-2023-28133 affects Checkpoint Endpoint Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-28133?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-28133 published?: CVE-2023-28133 was published on 2023-07-23 and last updated on 2026-06-17.

References

https://support.checkpoint.com/results/sk/sk181276

Affected products (1)

cpe:2.3:a:checkpoint:endpoint_security:e87.30:*:*:*:*:windows:*:*

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