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
Published Jul 20, 2017
9.8
CRITICALCVSS 3.0
EPSS 3.09%
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.
Affected products
-
- Version NancyFX Framework Up to 2.0.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| NancyFX | NancyFX Framework Up to 2.0.0 | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.09% (0.03095) | 87.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.09% (0.03095) | 85.99th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.47% (0.02466) | 83.83th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.96% (0.09957) | 88.29th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.47% (0.02466) | 84.16th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.69% (0.00687) | 80.29th | v3 (v2023.03.01) |
| Feb 21, 2024 | 0.69% (0.00687) | 79.49th | v3 (v2023.03.01) |
| Oct 24, 2023 | 0.56% (0.00561) | 75.08th | v3 (v2023.03.01) |
| Aug 5, 2023 | 0.56% (0.00555) | 74.59th | v3 (v2023.03.01) |
| May 30, 2023 | 0.49% (0.00489) | 72.61th | v3 (v2023.03.01) |
| May 8, 2023 | 0.48% (0.00479) | 72.18th | v3 (v2023.03.01) |
| May 5, 2023 | 0.41% (0.00413) | 70.15th | v3 (v2023.03.01) |
| Mar 9, 2023 | 0.40% (0.00404) | 69.60th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.34% (0.00338) | 66.77th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.70% (0.01702) | 76.15th | v2 (v2022.01.01) |
| Aug 19, 2022 | 1.70% (0.01702) | 75.06th | v2 (v2022.01.01) |
| Jun 15, 2022 | 1.38% (0.01382) | 70.19th | v2 (v2022.01.01) |
| Apr 16, 2022 | 1.27% (0.01267) | 65.18th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.16% (0.01156) | 58.36th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.16% (0.01156) | 34.92th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.92% (0.00918) | 25.93th | v1 |
| Jan 6, 2022 | 0.92% (0.00918) | 25.29th | v1 |
| Sep 1, 2021 | 0.92% (0.00918) | 60.61th | v1 |
| Apr 14, 2021 | 0.92% (0.00918) | 0.00th | v1 |
References (3)
- https://github.com/NancyFx/Nancy/releases/tag/v1.4.4 x_refsource_CONFIRMRelease NotesThird Party Advisory
- https://github.com/advisories/GHSA-mx3q-j2g2-5qxq Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-9785
| Link | Providers | Tags |
|---|---|---|
| https://github.com/NancyFx/Nancy/releases/tag/v1.4.4 | x_refsource_CONFIRMRelease NotesThird Party Advisory | |
| https://github.com/advisories/GHSA-mx3q-j2g2-5qxq | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-9785 |
Change history (0)
No recorded changes yet.