Loading HuntDB...
Hunt
Vulnerability Intelligence by wss.sh
Home Daily Briefings High Impact CVEs Recent Exploits KEV Catalog GitHub Advisories Latest Updates Security News
Sign In Sign Up

CVE-2021-21004

HIGH
Published 2021-06-25T18:25:52.190088Z
Actions:

Expert Analysis

Professional remediation guidance

Get tailored security recommendations from our analyst team for CVE-2021-21004. We'll provide specific mitigation strategies based on your environment and risk profile.

CVSS Score

V3.1
7.4
/10
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.002
probability
of exploitation in the wild

There is a 0.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.472
Higher than 47.2% of all CVEs

Attack Vector Metrics

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED

Impact Metrics

Confidentiality
LOW
Integrity
HIGH
Availability
NONE

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Phoenix Contact

FL SWITCH

Affected Versions:

SMCS 16TX (2700996) SMCS 14TX/2FX (2700997) SMCS 14TX/2FX-SM (2701466) SMCS 8GT (2891123) SMCS 6GT/2SFP (2891479) SMCS 8TX-PN (2989103) SMCS 4TX-PN (2989093) SMCS 8TX (2989226) SMCS 6TX/2SFP (2989323) SMN 6TX/2POF-PN (2700290) SMN 8TX-PN (2989501) SMN 6TX/2FX (2989543) SMN 6TX/2FX SM (2989556)
Phoenix Contact

FL NAT

Affected Versions:

SMN 8TX (2989365) SMN 8TX-M (2702443)

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-p92q-6vw3-958m

Advisory Details

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.

CVSS Scoring

CVSS Score

5.0

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-21004
WEB https://cert.vde.com/en-us/advisories/vde-2021-023

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: May 24, 2022

References

https://cert.vde.com/en-us/advisories/vde-2021-023
Published: 2021-06-25T18:25:52.190088Z
Last Modified: 2024-09-16T22:08:28.813Z
Copied to clipboard!