How severe is CVE-2024-43685?

CVE-2024-43685 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-43685 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-43685?

CVE-2024-43685 affects Microchip Timeprovider 4100 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-43685?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-43685 have an EU (EUVD) identifier?

Yes. CVE-2024-43685 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-40421.

When was CVE-2024-43685 published?

CVE-2024-43685 was published on 2024-10-04 and last updated on 2026-06-17.

CVE-2024-43685

CVE-2024-43685 is a critical-severity vulnerability in Microchip Timeprovider 4100 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-613.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 8.7
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-40421
Weakness: CWE-613
Affected product: Microchip Timeprovider 4100 Firmware
Published: 2024-10-04
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-43685?: Improper Authentication vulnerability in Microchip TimeProvider 4100 (login modules) allows Session Hijacking.This issue affects TimeProvider 4100: from 1.0 before 2.4.7.
How severe is CVE-2024-43685?: CVE-2024-43685 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-43685 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-43685?: CVE-2024-43685 affects Microchip Timeprovider 4100 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-43685?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-43685 have an EU (EUVD) identifier?: Yes. CVE-2024-43685 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-40421.
When was CVE-2024-43685 published?: CVE-2024-43685 was published on 2024-10-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:microchip:timeprovider_4100_firmware:*:*:*:*:*:*:*:*

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