PT-2021-14331 · Phoenix Contact · Phoenix Contact Fl Switch Smcs

Anne Borcherding · Published 2021-06-25 · Updated 2021-07-02 · CVE-2021-21004

Positive Technologies (AI Summary)

CVSS v3.1

7.4

High

Base vector

AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:N

Name of the Vulnerable Software and Affected Versions: Phoenix Contact FL SWITCH SMCS series products (affected versions not specified)

Description: The issue allows an attacker to insert malicious code via LLDP frames into the web-based management, which could then be executed by the client.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-21004

Affected Products

Phoenix Contact Fl Switch Smcs

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2021-21004 · Security Note
• https://osv.dev/vulnerability/CVE-2021-21004 · Vendor Advisory
• https://t.me/cvenotify/16966 · Telegram Post
• https://cert.vde.com/en-us/advisories/vde-2021-023 · Note