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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…
Critical9.8EPSS 3.0%
- Published
- Updated
- Reserved
- Assigned by
- hpe
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.
Timeline
ID reserved
By hpe
- 29 days later
· 29 days later
Published
- 7 years later
· 7 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.0% · top 12% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
- Remote Code Execution via untrusted deserialization of Json data
- CWE-502 (opens in a new tab)All about CWE-502 and its CVEs
Affected products
NancyFX · NancyFX Framework Up to 2.0.0
- affected NancyFX Framework Up to 2.0.0
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- NuGetNancyGHSA-mx3q-j2g2-5qxq (opens in a new tab)
References (1)
- https://github.com/NancyFx/Nancy/releases/tag/v1.4.4 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-mx3q-j2g2-5qxq (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-9785)Record last updated .