ASP.NET Core 1.0. 1.1, and 2.0 allow an elevation of privilege vulnerability due to how web applications that are created from templates validate web requests, aka "ASP.NET Core Elevation Of Privilege Vulnerability".
CVE-2018-0787
This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 17.5%, top 5% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.8
- EG Score
- 8.8(medium)
- EPSS
- 95.0%
- KEV
- Not listed
Published
March 14, 2018
Last Modified
November 21, 2024
References (8)
- secure@microsofthttp://www.securityfocus.com/bid/103282
- secure@microsofthttp://www.securitytracker.com/id/1040525
- secure@microsofthttps://github.com/aspnet/Announcements/issues/295
- secure@microsofthttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0787
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/103282
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1040525
- af854a3a-2127-422b-91ae-364da2661108https://github.com/aspnet/Announcements/issues/295
- af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0787
Affected Packages
(2 across 1 ecosystem)
NuGet(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| Microsoft.AspNetCore.HttpOverrides | 2.0.0, 2.0.1 | 2.0.2 | — |
| Microsoft.AspNetCore.Server.Kestrel.Core | 2.0.0, 2.0.1 | 2.0.2 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(1)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 13× in last 7d / 44× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-22 22:11 UTCEG score recompute
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Frequently asked(5)
What is CVE-2018-0787?
When was CVE-2018-0787 disclosed?
Is CVE-2018-0787 actively exploited?
What is the CVSS score of CVE-2018-0787?
How do I remediate CVE-2018-0787?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-0787
Is Your Infrastructure Affected by CVE-2018-0787?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.