Deserialization in Nancyfx Nancy
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.
Vulnerability class: Insecure Deserialization
EPSS: 0.031 (86.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Nancyfx Nancy — versions 2.0.0
- Nancyfx Framework Up To 2.0.0 — versions NancyFX Framework Up to 2.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-alert@hpe.com (x_refsource_CONFIRM, Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2017-9785?
- CVE-2017-9785 is a critical-severity vulnerability in Nancyfx Nancy, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2017-07-20.
- How severe is CVE-2017-9785?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-9785 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.