XSS in Phoenix Contact Fl Nat
CVE-2021-21004
In Phoenix Contact FL SWITCH SMCS series products in multiple versions an attacker may insert malicious code via LLDP frames into the web-based management which could then be executed by the client.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.006 (44.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:N.
Affected products
- Phoenix Contact Fl Nat — versions SMN 8TX (2989365), SMN 8TX-M (2702443)
- Phoenix Contact Fl Switch — versions SMCS 16TX (2700996), SMCS 14TX/2FX (2700997), SMCS 14TX/2FX-SM (2701466)
- Phoenixcontact Fl_nat_smn_8tx
- Phoenixcontact Fl_nat_smn_8tx_firmware
- Phoenixcontact Fl_nat_smn_8tx-m
- Phoenixcontact Fl_nat_smn_8tx-m_firmware
- Phoenixcontact Fl_switch_smcs_14tx\/2fx
- Phoenixcontact Fl_switch_smcs_14tx\/2fx_firmware
- Phoenixcontact Fl_switch_smcs_14tx\/2fx-sm
- Phoenixcontact Fl_switch_smcs_14tx\/2fx-sm_firmware
Weakness classification (CWE)
References
- info@cert.vde.com (x_refsource_CONFIRM, Third Party Advisory, Not Applicable)
Frequently asked questions
- What is CVE-2021-21004?
- CVE-2021-21004 is a high-severity vulnerability in Phoenix Contact Fl Nat, classified under Cross-site Scripting. CVSS score: 7.4/10. Published 2021-06-25.
- How severe is CVE-2021-21004?
- High severity. CVSS v3 base score is 7.4 out of 10.