CVE-2017-11770
.NET Core 1.0, 1.1, and 2.0 allow an unauthenticated attacker to remotely cause a denial of service attack against a .NET Core web…
- 7.5HighCVSS base score
- 5.4%Exploitation in 30 daysEPSS · top 7.2% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
.NET Core 1.0, 1.1, and 2.0 allow an unauthenticated attacker to remotely cause a denial of service attack against a .NET Core web application by improperly parsing certificate data. A denial of service vulnerability exists when .NET Core improperly handles parsing certificate data, aka ".NET CORE Denial Of Service Vulnerability".
Timeline
ID reserved
By microsoft
- 4 months later
· 4 months 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 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 5.4% · top 7.2% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
Microsoft Corporation · .NET Core
- affected .NET Core 1.0, .NET Core 1.1, and .NET Core 2.0
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- NuGetMicrosoft.NETCore.AppGHSA-7mfr-774f-w5r9 (opens in a new tab)
- NuGetSystem.Security.Cryptography.X509CertificatesGHSA-7mfr-774f-w5r9 (opens in a new tab)
References
4
- 1039787 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11770 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2017:3248 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 101710 (opens in a new tab)vdb-entryx_refsource_BIDx_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)
- EUVD EUVD-2022-1668 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-7mfr-774f-w5r9 (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-2017-11770)Record last updated .