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CVE-2020-1108

.NET Core & .NET Framework Denial of Service Vulnerability

CVSS score

7.5

EPSS probability

%6.5

Risk score

0.5

Published

6 y ago

Official patch verified

Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.

Impact on My Inventory

Only the personal products you have added to your account are assessed; an organisation's inventory does not appear here.

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Vulnerability description

DayBreach CVE AI Research

CVE-2020-1108 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

A denial of service vulnerability exists when .NET Core or .NET Framework improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Core or .NET Framework web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Core or .NET Framework application. The update addresses the vulnerability by correcting how the .NET Core or .NET Framework web application handles web requests.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2020-1108 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1microsoft.NET 5.0 View
2microsoft.NET Core 2.1 View
3microsoft.NET Core 3.1 View
4microsoftMicrosoft .NET Framework 2.0 Service Pack 2 View
5microsoftMicrosoft .NET Framework 3.0 Service Pack 2 View
6microsoftMicrosoft .NET Framework 3.5 View
7microsoftMicrosoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 View
8microsoftMicrosoft .NET Framework 3.5 AND 4.6/4.6.1/4.6.2 View
9microsoftMicrosoft .NET Framework 3.5 AND 4.7.1/4.7.2 View
10microsoftMicrosoft .NET Framework 3.5 AND 4.7.2 View
11microsoftMicrosoft .NET Framework 3.5 AND 4.8 View
12microsoftMicrosoft .NET Framework 3.5.1 View
13microsoftMicrosoft .NET Framework 4.5.2 View
14microsoftMicrosoft .NET Framework 4.6 View
15microsoftMicrosoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 View
16microsoftMicrosoft .NET Framework 4.8 View
17microsoftMicrosoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) View
18microsoftMicrosoft Visual Studio 2019 version 16.0 View
19microsoftMicrosoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3) View
20microsoftMicrosoft Visual Studio 2019 version 16.5 View
21microsoftPowerShell 7.0 View
22microsoftPowerShell Core 6.2 View
23microsoft.net View
24microsoft.net core View
25microsoft.net core View
26microsoft.net framework View
27microsoft.net framework View
28microsoft.net framework View
29microsoftwindows server 2008 View
30microsoft.net framework View
31microsoftWindows 8.1 View
32microsoft.net framework View
33microsoft.net framework View
34microsoft.net framework View
35microsoft.net framework View
36microsoft.net framework View
37microsoft.net framework View
38microsoft.net framework View
39microsoftwindows server 2012 View
40microsoftwindows server 2012 View
41microsoftwindows 10 View
42microsoftwindows server 2016 View
43microsoftwindows 10 View
44microsoftwindows 10 View
45microsoftwindows 10 View
46microsoftwindows 10 View
47microsoftwindows server 2019 View
48microsoftwindows 10 View
49microsoftwindows 10 View
50microsoft.net framework View
51microsoftWindows 7 View
52microsoftwindows rt 8.1 View
53microsoft.net core View
54microsoft.net core View
55microsoftvisual studio 2017 View
56microsoftvisual studio 2019 View
57microsoftvisual studio 2019 View
58microsoftvisual studio 2019 View
59microsoftpowershell View
60microsoftpowershell core View
Total affected vendors: 1|Products: 60

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
7.5CVSS V31HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HNVD
5.0CVSS V2—AV:N/AC:L/Au:N/C:N/I:N/A:PNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

4 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

cvelist

.NET Core & .NET Framework Denial of Service Vulnerability

Open source
nvd

NVD tarafından Patch olarak etiketlenmiş referans

Open source
reference

.NET Core & .NET Framework Denial of Service Vulnerability

Open source
reference

Yama veya çözüm referansı

Open source
Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Apply the official update named in the evidence only to the matching product and version.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-1108 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-1108 weaknesses.

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekmiyor

Official Sources and Advisories

CVSS Vector Radar Chart

7.5 / 10
Attack VectorNetworkComplexityLowPrivilegesNoneUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone required
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)High

Yama doğrulandı

4 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

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