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IcscertCVELIST:CVE-2021-42540

HistoryOct 05, 2021 - 12:00 a.m.

CVE-2021-42540 Emerson WirelessHART Gateway

2021-10-0500:00:00

CWE-123

icscert

www.cve.org

8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.8 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

27.4%

JSON

The affected product is vulnerable to a unsanitized extract folder for system configuration. A low-privileged user can leverage this logic to overwrite the settings and other key functionality.

CNA Affected

[
  {
    "product": "WirelessHART Gateway",
    "vendor": "Emerson",
    "versions": [
      {
        "lessThanOrEqual": "4.7.94",
        "status": "affected",
        "version": "1410",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "4.7.94",
        "status": "affected",
        "version": "1410D",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "4.7.94",
        "status": "affected",
        "version": "1420",
        "versionType": "custom"
      }
    ]
  }
]

References

us-cert.cisa.gov/ics/advisories/icsa-21-278-02

8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.8 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

27.4%

JSON

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