How severe is CVE-2021-42098?

CVE-2021-42098 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-42098 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-42098?

CVE-2021-42098 affects Devolutions Remote Desktop Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-42098?

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-2021-42098 published?

CVE-2021-42098 was published on 2021-10-18 and last updated on 2026-06-17.

CVE-2021-42098

CVE-2021-42098 is a high-severity vulnerability in Devolutions Remote Desktop Manager with a CVSS 3.x base score of 8.8. 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-276.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Devolutions Remote Desktop Manager
Published: 2021-10-18
Last modified: 2026-06-17

Description

An incomplete permission check on entries in Devolutions Remote Desktop Manager before 2021.2.16 allows attackers to bypass permissions via batch custom PowerShell.

Frequently asked questions

What is CVE-2021-42098?: An incomplete permission check on entries in Devolutions Remote Desktop Manager before 2021.2.16 allows attackers to bypass permissions via batch custom PowerShell.
How severe is CVE-2021-42098?: CVE-2021-42098 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-42098 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-42098?: CVE-2021-42098 affects Devolutions Remote Desktop Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-42098?: 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-2021-42098 published?: CVE-2021-42098 was published on 2021-10-18 and last updated on 2026-06-17.

References

Affected products (1)

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

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