CVE-2017-9785

Name: CVE-2017-9785
Creator: NVD / NIST
Published: 2017-07-20T12:29:00.187+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.09%

Last modified Jun 17, 2026

CVE-2017-9785 is a vulnerability of currently unknown severity. Csrf.cs in NancyFX Nancy before 1.4.4 and 2.x before 2.0-dangermouse has Remote Code Execution via Deserialization of JSON data in a CSRF Cookie.. EPSS estimates a 3.09% chance of exploitation in the next 30 days.

Description

Csrf.cs in NancyFX Nancy before 1.4.4 and 2.x before 2.0-dangermouse has Remote Code Execution via Deserialization of JSON data in a CSRF Cookie.

Metrics

EPSS Probability

3.09%

86.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions	Update
Nancyfx	Nancy	<= 1.4.3	—
Nancyfx	Nancy	2.0.0	Alpha

References

https://github.com/NancyFx/Nancy/releases/tag/v1.4.4Release Notes, Third Party Advisory
https://github.com/NancyFx/Nancy/releases/tag/v1.4.4Release Notes, Third Party Advisory

Timeline

Published: Jul 20, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-9785?

Csrf.cs in NancyFX Nancy before 1.4.4 and 2.x before 2.0-dangermouse has Remote Code Execution via Deserialization of JSON data in a CSRF Cookie.

How severe is CVE-2017-9785?

Severity scoring for CVE-2017-9785 is pending analysis. The EPSS model estimates a 3.09% probability of exploitation in the next 30 days.

How do I fix CVE-2017-9785?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-9785?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST