How severe is CVE-2023-43762?

CVE-2023-43762 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-43762 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43762?

CVE-2023-43762 primarily affects Withsecure F-secure Policy Manager. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-43762?

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

When was CVE-2023-43762 published?

CVE-2023-43762 was published on 2023-09-22 and last updated on 2026-06-17.

CVE-2023-43762

CVE-2023-43762 is a critical-severity vulnerability in Withsecure F-secure Policy Manager with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Withsecure F-secure Policy Manager
Published: 2023-09-22
Last modified: 2026-06-17

Description

Certain WithSecure products allow Unauthenticated Remote Code Execution via the web server (backend). This affects WithSecure Policy Manager 15 and Policy Manager Proxy 15.

Frequently asked questions

What is CVE-2023-43762?: Certain WithSecure products allow Unauthenticated Remote Code Execution via the web server (backend). This affects WithSecure Policy Manager 15 and Policy Manager Proxy 15.
How severe is CVE-2023-43762?: CVE-2023-43762 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-43762 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43762?: CVE-2023-43762 primarily affects Withsecure F-secure Policy Manager. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-43762?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-43762 published?: CVE-2023-43762 was published on 2023-09-22 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:withsecure:f-secure_policy_manager:15.00:*:*:*:*:linux_kernel:*:*
cpe:2.3:a:withsecure:f-secure_policy_manager:15.00:*:*:*:*:windows:*:*
cpe:2.3:a:withsecure:policy_manager_proxy:15.00:*:*:*:*:linux_kernel:*:*
cpe:2.3:a:withsecure:policy_manager_proxy:15.00:*:*:*:*:windows:*:*

More vulnerabilities in Withsecure F-secure Policy Manager

CVE-2022-38165 — Critical (CVSS 9.8): Arbitrary file write in F-Secure Policy Manager through 2022-08-10 allows unauthenticated users to write the file with…
CVE-2023-43763 — Medium (CVSS 6.1): Certain WithSecure products allow XSS via an unvalidated parameter in the endpoint. This affects WithSecure Policy…
CVE-2022-38162 — Medium (CVSS 6.1): Reflected cross-site scripting (XSS) vulnerabilities in WithSecure through 2022-08-10) exists within the F-Secure…

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