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CVE-2024-43683

Improper verification of the Host header in TimeProvider 4100

MEDIUM
6.1
CVSS Score
Published: October 4, 2024 at 07:56 PM UTC
Updated: June 17, 2026 at 07:51 AM UTC
2 products affected across 1 vendorTimeprovider 4100 FirmwareTimeProvider 4100

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Microchip TimeProvider 4100 allows XSS Through HTTP Headers.This issue affects TimeProvider 4100: from 1.0.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Timeprovider 4100 Firmware· Microchip
95%
v < 2.4.71.0 ≤ v < 2.4.7
Affected range stops below 2.4.7, so it looks safe — our inference, not a vendor statement
TimeProvider 4100· Microchip
90%
v < 2.4.71.0 ≤ v < 2.4.71.0
Affected range stops below 2.4.7, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Third Party Advisory
Source: dc3f6da9-85b5-4a73-84a2-2ec90b40fca5
https://www.gruppotim.it/it/footer/red-team.html
Vendor Advisory
Source: dc3f6da9-85b5-4a73-84a2-2ec90b40fca5
https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-grandmaster-improper-verification-of-host-header

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-601

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