How severe is CVE-2019-18352?

CVE-2019-18352 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.

Is CVE-2019-18352 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-18352?

CVE-2019-18352 primarily affects Phoenixcontact Fl Nat 2208 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-18352?

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

When was CVE-2019-18352 published?

CVE-2019-18352 was published on 2020-02-18 and last updated on 2026-06-17.

CVE-2019-18352

CVE-2019-18352 is a high-severity vulnerability in Phoenixcontact Fl Nat 2208 Firmware with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.2)
CVSS v2: 4.3
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Phoenixcontact Fl Nat 2208 Firmware
Published: 2020-02-18
Last modified: 2026-06-17

Description

Improper access control exists on PHOENIX CONTACT FL NAT 2208 devices before V2.90 and FL NAT 2304-2GC-2SFP devices before V2.90 when using MAC-based port security.

Frequently asked questions

What is CVE-2019-18352?: Improper access control exists on PHOENIX CONTACT FL NAT 2208 devices before V2.90 and FL NAT 2304-2GC-2SFP devices before V2.90 when using MAC-based port security.
How severe is CVE-2019-18352?: CVE-2019-18352 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2019-18352 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18352?: CVE-2019-18352 primarily affects Phoenixcontact Fl Nat 2208 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-18352?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-18352 published?: CVE-2019-18352 was published on 2020-02-18 and last updated on 2026-06-17.

References

https://cert.vde.com/de-de/advisories/vde-2019-020

Affected products (2)

cpe:2.3:o:phoenixcontact:fl_nat_2208_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_nat_2304-2gc-2sfp_firmware:*:*:*:*:*:*:*:*

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