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CVE Record

CVE-2022-34701: Windows Secure Socket Tunneling Protocol (SSTP) Denial of Service Vulnerability

Windows Secure Socket Tunneling Protocol (SSTP) Denial of Service Vulnerability

HighCVSS 7.5Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This is a denial-of-service flaw in Microsoft Windows SSTP. An unauthenticated network attacker could disrupt availability on affected Windows systems. It is not described as data theft or code execution, but availability loss can affect VPN or remote-access dependent operations.

Executive priority

Treat this as a high-priority availability risk, especially for remote access infrastructure. It does not indicate confidentiality compromise, but outage impact could be material if SSTP supports employee access, operations, or customer-facing connectivity.

Technical view

CVE-2022-34701 affects multiple Windows client and server releases in Secure Socket Tunneling Protocol. CVSS 3.1 is 7.5: network reachable, low complexity, no privileges, no user interaction, with high availability impact only. The listed CWE is CWE-400, uncontrolled resource consumption.

Likely exposure

Exposure is most relevant to affected Windows systems where SSTP is enabled and reachable over a network. The bundle lists many Windows client and server versions, including Windows Server 2016, 2019, 2022, Windows 10, Windows 11 21H2, Windows 7, 8.1, and Server 2008 variants.

Exploitation context

The source bundle does not show CISA KEV listing or confirmed active exploitation. CVSS indicates exploitation would not require authentication or user interaction. Microsoft rates remediation as officially available, but this analysis has no evidence of public weaponization.

Researcher notes

Evidence is limited to CVE metadata, CVSS, affected product lists, CWE-400, KEV false status, and the Microsoft advisory reference. Validate exposure through feature enablement and network reachability, not product version alone.

Mitigation direction

  • Apply Microsoft’s official security update for the affected Windows product.
  • Review the MSRC advisory for product-specific update details.
  • Prioritize systems exposing SSTP or remote access services to untrusted networks.
  • Reduce unnecessary SSTP network reachability while patching is scheduled.
  • Track unpatched exceptions with owners and remediation dates.

Validation and detection

  • Inventory Windows versions listed as affected in the source bundle.
  • Identify hosts where SSTP is enabled or network-reachable.
  • Verify Microsoft security updates are installed for each affected product.
  • Review availability, crash, or service restart telemetry around SSTP-facing systems.
  • Document non-exposed systems separately from exposed unpatched systems.
Prepared
Confidence
high
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-400: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2022-34701 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2022-34701Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
MicrosoftWindows 10 Version 180910.0.17763.0Listed
MicrosoftWindows 10 Version 180910.0.0Listed
MicrosoftWindows Server 201910.0.17763.0Listed
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0Listed
MicrosoftWindows 10 Version 21H110.0.0Listed
MicrosoftWindows Server 202210.0.20348.0Listed
MicrosoftWindows 10 Version 20H210.0.0Listed
MicrosoftWindows Server version 20H210.0.0Listed
MicrosoftWindows 11 version 21H210.0.0Listed
MicrosoftWindows 10 Version 21H210.0.19043.0Listed
MicrosoftWindows 10 Version 150710.0.10240.0Listed
MicrosoftWindows 10 Version 160710.0.14393.0Listed
MicrosoftWindows Server 201610.0.14393.0Listed
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0Listed
MicrosoftWindows 76.1.0Listed
MicrosoftWindows 7 Service Pack 16.1.0Listed
MicrosoftWindows 8.16.3.0Listed
MicrosoftWindows Server 2008 Service Pack 26.0.6003.0Listed
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0Listed
MicrosoftWindows Server 2008 Service Pack 26.0.6003.0Listed
MicrosoftWindows Server 2008 R2 Service Pack 16.1.7601.0Listed
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0Listed
MicrosoftWindows Server 20126.2.9200.0Listed
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0Listed
MicrosoftWindows Server 2012 R26.3.9600.0Listed
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-400 · source CWE mapping

Uncontrolled Resource Consumption

Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.