How severe is CVE-2023-5240?

CVE-2023-5240 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-5240 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-5240?

CVE-2023-5240 affects Devolutions Devolutions Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-5240?

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-2023-5240 published?

CVE-2023-5240 was published on 2023-10-13 and last updated on 2026-06-17.

CVE-2023-5240

CVE-2023-5240 is a high-severity vulnerability in Devolutions Devolutions Server with a CVSS 3.x base score of 7.5. 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-284.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Devolutions Devolutions Server
Published: 2023-10-13
Last modified: 2026-06-17

Description

Improper access control in PAM propagation scripts in Devolutions Server 2023.2.8.0 and ealier allows an attack with permission to manage PAM propagation scripts to retrieve passwords stored in it via a GET request.

Frequently asked questions

What is CVE-2023-5240?: Improper access control in PAM propagation scripts in Devolutions Server 2023.2.8.0 and ealier allows an attack with permission to manage PAM propagation scripts to retrieve passwords stored in it via a GET request.
How severe is CVE-2023-5240?: CVE-2023-5240 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-5240 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-5240?: CVE-2023-5240 affects Devolutions Devolutions Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-5240?: 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-2023-5240 published?: CVE-2023-5240 was published on 2023-10-13 and last updated on 2026-06-17.

References

https://devolutions.net/security/advisories/DEVO-2023-0017

Affected products (1)

cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*

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