CVE-2024-43685

Session token fixation in TimeProvider 4100

Published Oct 4, 2024 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
Improper Authentication vulnerability in Microchip TimeProvider 4100 (login modules) allows Session Hijacking.This issue affects TimeProvider 4100: from 1.0 before 2.4.7.

Remediation

Vendor Workaround

It is important to note that the web interface is only available on a physically separate management port and these vulnerabilities have no impact on the timing service ports. For added security, users have the option to disable the web interface, further protecting the device from potential web-based exploitations.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-40421 Improper Authentication vulnerability in Microchip TimeProvider 4100 (login modules) allows Session Hijacking.This issue affects TimeProvider 4100: from 1.0 before 2.4.7.
History
Type Values Removed Values Added
Weaknesses CWE-287
Type Values Removed Values Added
Weaknesses CWE-613
Type Values Removed Values Added
First Time appeared Microchip timeprovider 4100
CPEs cpe:2.3:h:microchip:timeprovider_4100:-:*:*:*:*:*:*:*
Vendors & Products Microchip timeprovider 4100
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Microchip
Microchip timeprovider 4100 Firmware
CPEs cpe:2.3:o:microchip:timeprovider_4100_firmware:*:*:*:*:*:*:*:*
Vendors & Products Microchip
Microchip timeprovider 4100 Firmware
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper Authentication vulnerability in Microchip TimeProvider 4100 (login modules) allows Session Hijacking.This issue affects TimeProvider 4100: from 1.0 before 2.4.7.
Title Session token fixation in TimeProvider 4100
Weaknesses CWE-287
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:H/R:U/V:C/RE:M/U:Amber'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Microchip
Published
Updated
Aug 29, 2025, 8:21 PM
Reserved
Aug 14, 2024, 3:39 PM
Status
Analyzed
Published
Oct 4, 2024, 8:15 PM
Modified
Jun 17, 2026, 7:51 AM