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CVE-2021-33763

Windows Remote Access Connection Manager Information Disclosure Vulnerability

CVSS score

5.5

EPSS probability

%0.9

Risk score

0.0

Published

5 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-2021-33763 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

Windows Remote Access Connection Manager Information Disclosure Vulnerability

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2021-33763 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1microsoftWindows 10 Version 1507 View
2microsoftWindows 10 Version 1607 View
3microsoftWindows 10 Version 1809 View
4microsoftWindows 10 Version 1809 View
5microsoftWindows 10 Version 1909 View
6microsoftWindows 10 Version 2004 View
7microsoftWindows 10 Version 20H2 View
8microsoftWindows 10 Version 21H1 View
9microsoftWindows 8.1 View
10microsoftwindows server 2012 View
11microsoftWindows Server 2012 (Server Core installation) View
12microsoftWindows Server 2012 R2 View
13microsoftWindows Server 2012 R2 (Server Core installation) View
14microsoftwindows server 2016 View
15microsoftWindows Server 2016 (Server Core installation) View
16microsoftwindows server 2019 View
17microsoftWindows Server 2019 (Server Core installation) View
18microsoftWindows Server version 2004 View
19microsoftWindows Server version 20H2 View
20microsoftwindows 10 View
21microsoftwindows 10 View
22microsoftwindows 10 View
23microsoftwindows 10 View
24microsoftwindows 10 View
25microsoftwindows 10 View
26microsoftwindows 10 View
27microsoftWindows 8.1 View
28microsoftwindows rt 8.1 View
29microsoftwindows server 2012 View
30microsoftwindows server 2016 View
31microsoftwindows server 2016 View
32microsoftwindows server 2016 View
33microsoftwindows server 2019 View
Total affected vendors: 1|Products: 33

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
5.5CVSS V3_1MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CCVE CNA
5.5CVSS V31MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NNVD
2.1CVSS V2—AV:L/AC:L/Au:N/C:P/I:N/A:NNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

4 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

cvelist

Windows Remote Access Connection Manager Information Disclosure Vulnerability

Open source
nvd

NVD tarafından Patch olarak etiketlenmiş referans

Open source
reference

Windows Remote Access Connection Manager Information Disclosure 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-2021-33763 is associated with the following CWEs:

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CWE-20: Improper Input Validation

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-2021-33763 weaknesses.

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

Attack Vector and Accessibility

ExposureYerel erişim
PermissionsLow
UserGerekmiyor

Official Sources and Advisories

Windows Remote Access Connection Manager Information Disclosure Vulnerabilitypatchhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33763patch

CVSS Vector Radar Chart

5.5 / 10
Attack VectorLocalComplexityLowPrivilegesLowUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityNone

Vulnerability Scoring Details

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

Yama doğrulandı

4 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

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