CVE-2021-42098

HIGHNVD 8.88.8—

8.8

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

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 23.9%
KEV: Not listed

Published

October 18, 2021

Last Modified

November 21, 2024

References (4)

security@devolutionshttps://devolutions.net
security@devolutionshttps://devolutions.net/security/advisories/DEVO-2021-0006
af854a3a-2127-422b-91ae-364da2661108https://devolutions.net
af854a3a-2127-422b-91ae-364da2661108https://devolutions.net/security/advisories/DEVO-2021-0006

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-276Incorrect Default Permissions

Data Freshness Timeline

(refreshed 9× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 08:57 UTCEG score recompute
2026-05-26 08:57 UTCGHSA enrichment
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2021-42098?

CVE-2021-42098 is a high vulnerability published on October 18, 2021. An incomplete permission check on entries in Devolutions Remote Desktop Manager before 2021.2.16 allows attackers to bypass permissions via batch custom PowerShell.

When was CVE-2021-42098 disclosed?

CVE-2021-42098 was first published in the National Vulnerability Database on October 18, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-42098 actively exploited?

CVE-2021-42098 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 23.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-42098?

CVE-2021-42098 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2021-42098?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-42098, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-42098

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-42098?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)