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Vulnerability record · CVE-2021-32096 · published 7 May 2021

CVE-2021-32096: Nsa emissary cross-site request forgery vulnerability

Nsa · Emissary

The ConsoleAction component of U.S. National Security Agency (NSA) Emissary 5.9.0 allows a CSRF attack that results in injecting arbitrary Ruby code (for an eval call) via the CONSOLE_COMMAND_STRING parameter.

8.8 CVSS 3.1 High EPSS 0.59% · top 53.9% CWE-352 · Cross-site request forgery
8.8CVSS 3.1 base score, v2 6.8
0.59%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

The ConsoleAction component of U.S. National Security Agency (NSA) Emissary 5.9.0 allows a CSRF attack that results in injecting arbitrary Ruby code (for an eval call) via the CONSOLE_COMMAND_STRING parameter.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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 ExploitThird Party Advisory
https://portswigger.net/daily-swig/nsa-workflow-application-emissary-vulnerable-to-malicious-takeover ExploitThird Party Advisory
https://blog.sonarsource.com/code-vulnerabilities-in-nsa-application-revealed ExploitThird Party Advisory
https://portswigger.net/daily-swig/nsa-workflow-application-emissary-vulnerable-to-malicious-takeover ExploitThird 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-2021-32094Nsa emissary unrestricted file upload vulnerabilityU.S. National Security Agency (NSA) Emissary 5.9.0 allows an authenticated user to upload arbitrary files.EPSS 1.2%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-2021-32096), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.