How severe is CVE-2021-23924?

CVE-2021-23924 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-2021-23924 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-23924?

CVE-2021-23924 affects Devolutions Devolutions Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-23924?

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-2021-23924 published?

CVE-2021-23924 was published on 2021-04-01 and last updated on 2026-06-17.

CVE-2021-23924

CVE-2021-23924 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-532.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-532
Affected product: Devolutions Devolutions Server
Published: 2021-04-01
Last modified: 2026-06-17

Description

An issue was discovered in Devolutions Server before 2020.3. There is an exposure of sensitive information in diagnostic files.

Frequently asked questions

What is CVE-2021-23924?: An issue was discovered in Devolutions Server before 2020.3. There is an exposure of sensitive information in diagnostic files.
How severe is CVE-2021-23924?: CVE-2021-23924 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-2021-23924 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23924?: CVE-2021-23924 affects Devolutions Devolutions Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-23924?: 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-2021-23924 published?: CVE-2021-23924 was published on 2021-04-01 and last updated on 2026-06-17.

References

https://devolutions.net/security/advisories/devo-2021-0002

Affected products (1)

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

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