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CVE-2021-21004 Details
Description
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.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://cert.vde.com/en-us/advisories/vde-2021-023 | CVE | Not ApplicableThird Party Advisory |
| https://cert.vde.com/en-us/advisories/vde-2021-023 | [email protected] | Not ApplicableThird Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| phoenixcontact fl switch smcs 16tx firmware | <= 4.70 |
CPE
Remediation
| |
| phoenixcontact fl switch smcs 16tx | All versions |
CPE
Remediation
| |
| phoenixcontact fl switch smcs 14tx/2fx firmware | <= 4.70 |
CPE
Remediation
| |
| phoenixcontact fl switch smcs 14tx/2fx | All versions |
CPE
Remediation
| |
| phoenixcontact fl switch smcs 14tx/2fx-sm firmware | <= 4.70 |
CPE
Remediation
| |
| phoenixcontact fl switch smcs 14tx/2fx-sm | All versions |
CPE
Remediation
| |
| phoenixcontact fl switch smcs 8gt firmware | <= 4.70 |
CPE
Remediation
| |
| phoenixcontact fl switch smcs 8gt | All versions |
CPE
Remediation
| |
| phoenixcontact fl switch smcs 6gt/2sfp firmware | <= 4.70 |
CPE
Remediation
| |
| phoenixcontact fl switch smcs 6gt/2sfp | All versions |
CPE
Remediation
| |
| phoenixcontact fl switch smcs 8tx-pn firmware | <= 4.70 |
CPE
Remediation
| |
| phoenixcontact fl switch smcs 8tx-pn | All versions |
CPE
Remediation
| |
| phoenixcontact fl switch smcs 4tx-pn firmware | <= 4.70 |
CPE
Remediation
| |
| phoenixcontact fl switch smcs 4tx-pn | All versions |
CPE
Remediation
| |
| phoenixcontact fl switch smcs 8tx firmware | <= 4.70 |
CPE
Remediation
| |
| phoenixcontact fl switch smcs 8tx | All versions |
CPE
Remediation
| |
| phoenixcontact fl switch smcs 6tx/2sfp firmware | <= 4.70 |
CPE
Remediation
| |
| phoenixcontact fl switch smcs 6tx/2sfp | All versions |
CPE
Remediation
| |
| phoenixcontact fl switch smn 6tx/2pof-pn firmware | <= 4.70 |
CPE
Remediation
| |
| phoenixcontact fl switch smn 6tx/2pof-pn | All versions |
CPE
Remediation
| |
| phoenixcontact fl switch smn 8tx-pn firmware | <= 4.70 |
CPE
Remediation
| |
| phoenixcontact fl switch smn 8tx-pn | All versions |
CPE
Remediation
| |
| phoenixcontact fl switch smn 6tx/2fx firmware | <= 4.70 |
CPE
Remediation
| |
| phoenixcontact fl switch smn 6tx/2fx | All versions |
CPE
Remediation
| |
| phoenixcontact fl switch smn 6tx/2fx sm firmware | <= 4.70 |
CPE
Remediation
| |
| phoenixcontact fl switch smn 6tx/2fx sm | All versions |
CPE
Remediation
| |
| phoenixcontact fl nat smn 8tx firmware | <= 4.63 |
CPE
Remediation
| |
| phoenixcontact fl nat smn 8tx | All versions |
CPE
Remediation
| |
| phoenixcontact fl nat smn 8tx-m firmware | <= 4.63 |
CPE
Remediation
| |
| phoenixcontact fl nat smn 8tx-m | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Jul 2, 2021 | Initial Analysis | [email protected] |