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cvelistCERTVDECVELIST:CVE-2021-21004
HistoryJun 23, 2021 - 12:00 a.m.

CVE-2021-21004 Cross-site Scripting Vulnerability in Phoenix Contact FL SWITCH SMCS series products

2021-06-2300:00:00
CWE-79
CERTVDE
www.cve.org

7.4 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:N

0.001 Low

EPSS

Percentile

28.9%

JSON

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.

CNA Affected

[
  {
    "product": "FL SWITCH",
    "vendor": "Phoenix Contact",
    "versions": [
      {
        "lessThanOrEqual": "4.70",
        "status": "affected",
        "version": "SMCS 16TX (2700996)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "4.70",
        "status": "affected",
        "version": "SMCS 14TX/2FX (2700997)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "4.70",
        "status": "affected",
        "version": "SMCS 14TX/2FX-SM (2701466)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "4.70",
        "status": "affected",
        "version": "SMCS 8GT (2891123)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "4.70",
        "status": "affected",
        "version": "SMCS 6GT/2SFP (2891479)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "4.70",
        "status": "affected",
        "version": "SMCS 8TX-PN (2989103)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "4.70",
        "status": "affected",
        "version": "SMCS 4TX-PN (2989093)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "4.70",
        "status": "affected",
        "version": "SMCS 8TX (2989226)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "4.70",
        "status": "affected",
        "version": "SMCS 6TX/2SFP (2989323)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "4.70",
        "status": "affected",
        "version": "SMN 6TX/2POF-PN (2700290)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "4.70",
        "status": "affected",
        "version": "SMN 8TX-PN (2989501)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "4.70",
        "status": "affected",
        "version": "SMN 6TX/2FX (2989543)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "4.70",
        "status": "affected",
        "version": "SMN 6TX/2FX SM (2989556)",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "FL NAT",
    "vendor": "Phoenix Contact",
    "versions": [
      {
        "lessThanOrEqual": "4.63",
        "status": "affected",
        "version": "SMN 8TX (2989365)",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "4.63",
        "status": "affected",
        "version": "SMN 8TX-M (2702443)",
        "versionType": "custom"
      }
    ]
  }
]

Related

cve 1
prion 1
nvd 1
cve
cve
CVE-2021-21004
2021-06-25 19:15:08
prion
prion
Code injection
2021-06-25 19:15:00
nvd
nvd
CVE-2021-21004
2021-06-25 19:15:08

7.4 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:N

0.001 Low

EPSS

Percentile

28.9%

JSON
Related for CVELIST:CVE-2021-21004
cve1prion1nvd1