What is CVE-2021-32096?

CVE-2021-32096 is a high-severity vulnerability in Nsa Emissary, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2021-05-07.

How severe is CVE-2021-32096?

High severity. CVSS v3 base score is 8.8 out of 10.

CSRF in Nsa Emissary

CVE-2021-32096

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.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2021-05-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (46.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Nsa Emissary — versions 5.9.0

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

portswigger.net/daily-swig/nsa-workflow-application-emissary-vulnerable-to-mali… (Exploit, Third Party Advisory)
blog.sonarsource.com/code-vulnerabilities-in-nsa-application-revealed (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-32096?: CVE-2021-32096 is a high-severity vulnerability in Nsa Emissary, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2021-05-07.
How severe is CVE-2021-32096?: High severity. CVSS v3 base score is 8.8 out of 10.