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[email protected]CVE-2021-42540

HistoryOct 22, 2021 - 2:15 p.m.

CVE-2021-42540

2021-10-2214:15:08

CWE-123

[email protected]

web.nvd.nist.gov

cve-2021-42540

vulnerability

system configuration

low-privileged user

overwrite

nvd

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

27.6%

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.

Affected configurations

NVD

Node

emersonwireless_1410_gateway_firmwareRange<4.7.94

AND

emersonwireless_1410_gateway

Node

emersonwireless_1410d_gateway_firmwareRange<4.7.94

AND

emersonwireless_1410d_gateway

Node

emersonwireless_1420_gateway_firmwareRange<4.7.94

AND

emersonwireless_1420_gatewayMatch-

CPENameOperatorVersion
emerson:wireless_1410_gateway_firmwareemerson wireless 1410 gateway firmwarelt4.7.94

CPE	Name	Operator	Version
emerson:wireless_1410_gateway_firmware	emerson wireless 1410 gateway firmware	lt	4.7.94

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

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

27.6%

JSON

Related for CVE-2021-42540

cvelist1 prion1 nvd1 ics1