How severe is CVE-2021-32094?

CVE-2021-32094 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-2021-32094 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32094?

CVE-2021-32094 affects Nsa Emissary. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32094?

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-2021-32094 published?

CVE-2021-32094 was published on 2021-05-07 and last updated on 2026-06-17.

CVE-2021-32094

CVE-2021-32094 is a high-severity vulnerability in Nsa Emissary 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-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Nsa Emissary
Published: 2021-05-07
Last modified: 2026-06-17

Description

U.S. National Security Agency (NSA) Emissary 5.9.0 allows an authenticated user to upload arbitrary files.

Frequently asked questions

What is CVE-2021-32094?: U.S. National Security Agency (NSA) Emissary 5.9.0 allows an authenticated user to upload arbitrary files.
How severe is CVE-2021-32094?: CVE-2021-32094 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-2021-32094 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32094?: CVE-2021-32094 affects Nsa Emissary. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32094?: 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-2021-32094 published?: CVE-2021-32094 was published on 2021-05-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nsa:emissary:5.9.0:*:*:*:*:*:*:*

More vulnerabilities in Nsa Emissary

CVE-2026-35580 — Critical (CVSS 9.1): Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, GitHub Actions workflow files contained shell…
CVE-2026-35582 — High (CVSS 8.8): Emissary is a P2P based data-driven workflow engine. In versions 8.42.0 and below, Executrix.getCommand() is vulnerable…
CVE-2021-32096 — High (CVSS 8.8): The ConsoleAction component of U.S. National Security Agency (NSA) Emissary 5.9.0 allows a CSRF attack that results in…
CVE-2021-32095 — High (CVSS 8.1): U.S. National Security Agency (NSA) Emissary 5.9.0 allows an authenticated user to delete arbitrary files.
CVE-2021-32647 — High (CVSS 8.0): Emissary is a P2P based data-driven workflow engine. Affected versions of Emissary are vulnerable to…
CVE-2026-35581 — High (CVSS 7.2): Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, the Executrix utility class constructed shell…

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Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

CVE-2026-39770 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in Doctreat <= 1.7.0 versions.
CVE-2026-32579 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in Kognetiks Chatbot for WordPress <= 2.4.9 versions.
CVE-2026-102427 — Critical (CVSS 10.0): Joomla Extension - ordasoft.com - Unauthenticated Remote Code Execution in OrdaSoft Joomla CCK < 8.3.16 -…
CVE-2026-4357 — Critical (CVSS 10.0): The Embed HTML5 Game WordPress plugin through 1.3 does not properly restrict who can upload files via the plugin, as…
CVE-2026-84147 — Critical (CVSS 10.0): This vulnerability exists in the ERP system due to improper authentication controls and inadequate file type validation…
CVE-2026-81780 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in Hash Form <= 1.4.2 versions.

Browse all CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities →