How severe is CVE-2018-13993?

CVE-2018-13993 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-13993 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-13993?

CVE-2018-13993 primarily affects Phoenixcontact Fl Switch 3005 Firmware. In total, 29 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-13993?

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-2018-13993 published?

CVE-2018-13993 was published on 2019-05-07 and last updated on 2026-06-17.

CVE-2018-13993

CVE-2018-13993 is a high-severity vulnerability in Phoenixcontact Fl Switch 3005 Firmware with a CVSS 3.x base score of 8.8. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Phoenixcontact Fl Switch 3005 Firmware
Published: 2019-05-07
Last modified: 2026-06-17

Description

The WebUI of PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, 48xx versions 1.0 to 1.34 is prone to CSRF.

Frequently asked questions

What is CVE-2018-13993?: The WebUI of PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, 48xx versions 1.0 to 1.34 is prone to CSRF.
How severe is CVE-2018-13993?: CVE-2018-13993 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-13993 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-13993?: CVE-2018-13993 primarily affects Phoenixcontact Fl Switch 3005 Firmware. In total, 29 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-13993?: 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-2018-13993 published?: CVE-2018-13993 was published on 2019-05-07 and last updated on 2026-06-17.

References

Affected products (29)

cpe:2.3:o:phoenixcontact:fl_switch_3005_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_3005t_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_3004t-fx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_3004t-fx_st_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_3008_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_3008t_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_3006t-2fx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_3006t-2fx_st_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_3012e-2sfx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_3016e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_3016_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_3016t_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_3006t-2fx_sm_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_4008t-2sfp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_4008t-2gt-4fx_sm_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_4008t-2gt-3fx_sm_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_4808e-16fx_lc-4gc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_4808e-16fx_sm-4gc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_4808e-16fx_sm_st-4gc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_4808e-16fx_st-4gc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_4808e-16fx-4gc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_4808e-16fx_sm_lc-4gc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_4012t_2gt_2fx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_4012t-2gt-2fx_st_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_4824e-4gc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_4800e-24fx-4gc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_4800e-24fx_sm-4gc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_3012e-2fx_sm_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_4000t-8poe-2sfp-r_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Phoenixcontact Fl Switch 3005 Firmware

CVE-2017-16743 — Critical (CVSS 9.8): An Improper Authorization issue was discovered in PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, and 48xxx Series products…
CVE-2018-10730 — Critical (CVSS 9.1): All Phoenix Contact managed FL SWITCH 3xxx, 4xxx, 48xx products running firmware version 1.0 to 1.33 are prone to OS…
CVE-2018-10731 — Critical (CVSS 9.0): All Phoenix Contact managed FL SWITCH 3xxx, 4xxx, 48xx products running firmware version 1.0 to 1.33 are prone to…
CVE-2018-13990 — High (CVSS 8.6): The WebUI of PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, 48xx versions prior to 1.35 is vulnerable to brute-force attacks,…
CVE-2018-13992 — High (CVSS 8.2): The WebUI of PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, 48xx versions 1.0 to 1.34 allows for plaintext transmission (HTTP)…
CVE-2018-10728 — High (CVSS 8.1): All Phoenix Contact managed FL SWITCH 3xxx, 4xxx, 48xx products running firmware version 1.0 to 1.33 are prone to…

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