CVE-2017-9785

CRITICAL

NancyFX <1.4.4, <2.0 - Deserialization

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Release Notes, Third Party Advisory x_refsource_confirm
https://github.com/NancyFx/Nancy/releases/tag/v1.4.4

Scores

CVSS v3 9.8
EPSS 0.0231
EPSS Percentile 85.0%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-502
Status published
Products (4)
nancyfx/nancy 2.0.0 alpha (3 CPE variants)
nancyfx/nancy < 1.4.3
NancyFX/NancyFX Framework Up to 2.0.0 NancyFX Framework Up to 2.0.0
nuget/Nancy 0 - 1.4.4NuGet
Published Jul 20, 2017
Tracked Since Feb 18, 2026