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CVE-2023-21722

.NET Framework Denial of Service Vulnerability

CVSS score

5.0

EPSS probability

%0.9

Risk score

0.0

Published

3 y ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
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-2023-21722 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

.NET Framework Denial of Service Vulnerability

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2023-21722 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1microsoftMicrosoft .NET Framework 2.0 Service Pack 2 View
2microsoftMicrosoft .NET Framework 3.0 Service Pack 2 View
3microsoftMicrosoft .NET Framework 3.5 View
4microsoftMicrosoft .NET Framework 3.5 and 4.6.2 View
5microsoftMicrosoft .NET Framework 3.5 AND 4.7.2 View
6microsoftMicrosoft .NET Framework 3.5 AND 4.8 View
7microsoftMicrosoft .NET Framework 3.5 AND 4.8.1 View
8microsoftMicrosoft .NET Framework 3.5.1 View
9microsoftMicrosoft .NET Framework 4.6.2 View
10microsoftMicrosoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 View
11microsoftMicrosoft .NET Framework 4.8 View
12microsoft.net framework View
13microsoft.net framework View
14microsoftwindows 10 1607 View
15microsoftwindows 10 1809 View
16microsoftwindows server 2016 View
17microsoftwindows server 2019 View
18microsoft.net framework View
19microsoftwindows 10 20h2 View
20microsoftwindows 10 21h2 View
21microsoftwindows 10 22h2 View
22microsoftwindows 11 21h2 View
23microsoftwindows server 2022 View
24microsoft.net framework View
25microsoftwindows 11 22h2 View
26microsoftwindows server 2012 View
27microsoft.net framework View
28microsoftwindows server 2008 View
29microsoft.net framework View
30microsoftwindows server 2008 View
31microsoft.net framework View
32microsoft.net framework View
33microsoftwindows 10 1507 View
34microsoftwindows 10 1511 View
35microsoftwindows 10 1703 View
36microsoftwindows 10 1709 View
37microsoftwindows 10 1803 View
38microsoftwindows 10 1903 View
39microsoftwindows 10 1909 View
40microsoftwindows 10 2004 View
41microsoftwindows 10 21h1 View
42microsoft.net framework View
43microsoft.net framework View
44microsoftwindows server 2012 View
Total affected vendors: 1|Products: 44

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
5.0CVSS V3_1MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CCVE CNA
5.0CVSS V31MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:HNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

3 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

cvelist

.NET Framework Denial of Service Vulnerability

Open source
nvd

NVD tarafından Patch olarak etiketlenmiş referans

Open source
reference

.NET Framework Denial of Service Vulnerability

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-2023-21722 is associated with the following CWEs:

CWE-59: Common Weakness Enumeration Entry CWE-59

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-2023-21722 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureYerel erişim
PermissionsLow
UserGerekiyor

Official Sources and Advisories

.NET Framework Denial of Service Vulnerabilitypatch

CVSS Vector Radar Chart

5.0 / 10
Attack VectorLocalComplexityLowPrivilegesLowUser Interact.RequiredConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow privileges
User Interaction—
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)High

Yama doğrulandı

3 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

Follow the vendor

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Weakness Type (CWE & CAPEC)

CWE-59

Similar Vulnerabilities

Get this vulnerability through the API

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  "https://api.daybreach.dev/api/v1/intel/cves/CVE-2023-21722"