How severe is CVE-2023-40544?

CVE-2023-40544 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-40544 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40544?

CVE-2023-40544 affects Westermo L206-f2g Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40544?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-40544 have an EU (EUVD) identifier?

Yes. CVE-2023-40544 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-45115.

When was CVE-2023-40544 published?

CVE-2023-40544 was published on 2024-02-06 and last updated on 2026-06-17.

CVE-2023-40544

CVE-2023-40544 is a medium-severity vulnerability in Westermo L206-f2g Firmware with a CVSS 3.x base score of 5.7. 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-319.

Key facts

Severity: Medium (CVSS 3.x base score 5.7)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-45115
Weakness: CWE-319
Affected product: Westermo L206-f2g Firmware
Published: 2024-02-06
Last modified: 2026-06-17

Description

An attacker with access to the network where the affected devices are located could maliciously actions to obtain, via a sniffer, sensitive information exchanged via TCP communications.

Frequently asked questions

What is CVE-2023-40544?: An attacker with access to the network where the affected devices are located could maliciously actions to obtain, via a sniffer, sensitive information exchanged via TCP communications.
How severe is CVE-2023-40544?: CVE-2023-40544 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-40544 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40544?: CVE-2023-40544 affects Westermo L206-f2g Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40544?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-40544 have an EU (EUVD) identifier?: Yes. CVE-2023-40544 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-45115.
When was CVE-2023-40544 published?: CVE-2023-40544 was published on 2024-02-06 and last updated on 2026-06-17.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-24-023-04

Affected products (1)

cpe:2.3:o:westermo:l206-f2g_firmware:4.24:*:*:*:*:*:*:*

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