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Vulnerability record · CVE-2021-32094 · published 7 May 2021

CVE-2021-32094: Nsa emissary unrestricted file upload vulnerability

Nsa · Emissary

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

8.8 CVSS 3.1 High EPSS 1.2% · top 33.4% CWE-434 · Unrestricted file upload
8.8CVSS 3.1 base score, v2 6.5
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

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

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://blog.sonarsource.com/code-vulnerabilities-in-nsa-application-revealed Third Party Advisory
https://portswigger.net/daily-swig/nsa-workflow-application-emissary-vulnerable-to-malicious-takeover Third Party Advisory
https://blog.sonarsource.com/code-vulnerabilities-in-nsa-application-revealed Third Party Advisory
https://portswigger.net/daily-swig/nsa-workflow-application-emissary-vulnerable-to-malicious-takeover Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.9CVE-2021-32639Nsa emissary server-side request forgery (ssrf) vulnerabilityEmissary is a P2P-based, data-driven workflow engine. Emissary version 6.4.0 is vulnerable to Server-Side Request Forgery (SSRF). In particular, the …EPSS 1.4%9.1CVE-2026-35580Nsa emissary command injection vulnerabilityEmissary is a P2P based data-driven workflow engine. Prior to 8.39.0, GitHub Actions workflow files contained shell injection points where user-contr…EPSS 0.69%9.1CVE-2021-32647Nsa emissary injection vulnerabilityEmissary is a P2P based data-driven workflow engine. Affected versions of Emissary are vulnerable to post-authentication Remote Code Execution (RCE).…EPSS 2.9%8.8CVE-2026-35582Nsa emissary os command injection vulnerabilityEmissary is a P2P based data-driven workflow engine. In versions 8.42.0 and below, Executrix.getCommand() is vulnerable to OS command injection becau…EPSS 1.1%8.8CVE-2021-32096Nsa emissary cross-site request forgery vulnerabilityThe ConsoleAction component of U.S. National Security Agency (NSA) Emissary 5.9.0 allows a CSRF attack that results in injecting arbitrary Ruby code …EPSS 0.59%8.1CVE-2021-32095Nsa emissary missing authorization vulnerabilityU.S. National Security Agency (NSA) Emissary 5.9.0 allows an authenticated user to delete arbitrary files.EPSS 0.89%7.2CVE-2026-35581Nsa emissary os command injection vulnerabilityEmissary is a P2P based data-driven workflow engine. Prior to 8.39.0, the Executrix utility class constructed shell commands by concatenating configu…EPSS 0.90%7.2CVE-2021-32634Nsa emissary deserialization of untrusted data vulnerabilityEmissary is a distributed, peer-to-peer, data-driven workflow framework. Emissary 6.4.0 is vulnerable to Unsafe Deserialization of post-authenticated…EPSS 1.3%

Source: NIST National Vulnerability Database (record CVE-2021-32094), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.