How severe is CVE-2023-4373?

CVE-2023-4373 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-2023-4373 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4373?

CVE-2023-4373 affects Devolutions Remote Desktop Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4373?

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-2023-4373 published?

CVE-2023-4373 was published on 2023-08-21 and last updated on 2026-06-17.

CVE-2023-4373

CVE-2023-4373 is a critical-severity vulnerability in Devolutions Remote Desktop 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. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Devolutions Remote Desktop Manager
Published: 2023-08-21
Last modified: 2026-06-17

Description

Inadequate validation of permissions when employing remote tools and macros within Devolutions Remote Desktop Manager versions 2023.2.19 and earlier permits a user to initiate a connection without proper execution rights via the remote tools feature.

Frequently asked questions

What is CVE-2023-4373?: Inadequate validation of permissions when employing remote tools and macros within Devolutions Remote Desktop Manager versions 2023.2.19 and earlier permits a user to initiate a connection without proper execution rights via the remote tools feature.
How severe is CVE-2023-4373?: CVE-2023-4373 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-2023-4373 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4373?: CVE-2023-4373 affects Devolutions Remote Desktop Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4373?: 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-2023-4373 published?: CVE-2023-4373 was published on 2023-08-21 and last updated on 2026-06-17.

References

https://devolutions.net/security/advisories/DEVO-2023-0015/

Affected products (1)

cpe:2.3:a:devolutions:remote_desktop_manager:*:*:*:*:*:*:*:*

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