CVE-2020-1476
ASP.NET and .NET Elevation of Privilege Vulnerability
MEDIUM 5.5
At a glance
- Source
- NVD
- EPSS
- EPSS 1.13 % · percentile 66 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- microsoft
- NVD status
- Modified
Description
An elevation of privilege vulnerability exists when ASP.NET or .NET web applications running on IIS improperly allow access to cached files. An attacker who successfully exploited this vulnerability could gain access to restricted files. To exploit this vulnerability, an attacker would need to send a specially crafted request to an affected server. The update addresses the vulnerability by changing how ASP.NET and .NET handle requests.
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | LOW 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2020-12350
- GCVE · GCVE-0-2020-1476
CERT-FR advisories
- CERTFR-2020-AVI-502 — Multiples vulnérabilités dans Microsoft .Net · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Microsoft · Microsoft .NET Framework 4.8 | affected 4.8.0 < publication |
| Microsoft · Microsoft .NET Framework 3.5 AND 4.8 | affected 4.8.0 < publication |
| Microsoft · Microsoft .NET Framework 2.0 Service Pack 2 | affected 2.0.0 < publication |
| Microsoft · Microsoft .NET Framework 4.5.2 | affected 4.0.0.0 < publication |
| Microsoft · Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 | affected 4.0.0.0 < publication |
| Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2 | affected 4.7.0 < publication |
| Microsoft · Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 | affected 3.0.0.0 < publication |
| Microsoft · Microsoft .NET Framework 3.5 AND 4.6/4.6.1/4.6.2 | affected 3.5.0 < publication |
| Microsoft · Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 | affected 3.0 < publication |
| Microsoft · Microsoft .NET Framework 4.6 | affected 4.0.0.0 < publication |
| Microsoft · Microsoft .NET Framework 3.5 | affected 3.5.0 < publication |
| Microsoft · Microsoft .NET Framework 3.5.1 | affected 3.5.0 < publication |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |