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IcscertCVELIST:CVE-2022-2971

HistorySep 23, 2022 - 3:28 p.m.

CVE-2022-2971 MZ Automation libIEC61850 Access of Resource Using Incompatible Type ('Type Confusion')

2022-09-2315:28:48

CWE-843

icscert

www.cve.org

mz automation

libiec61850

type confusion

resource access

server crash

cve-2022-2971

CVSS3

8.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.7

Confidence

High

EPSS

0.001

Percentile

36.6%

JSON

MZ Automation’s libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) accesses a resource using an incompatible type, which could allow an attacker to crash the server with a malicious payload.

CNA Affected

[
  {
    "product": "libIEC61850",
    "vendor": "MZ Automation",
    "versions": [
      {
        "lessThanOrEqual": "1.4",
        "status": "affected",
        "version": "All",
        "versionType": "custom"
      },
      {
        "lessThan": "Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e",
        "status": "affected",
        "version": "Version 1.5",
        "versionType": "custom"
      }
    ]
  }
]

References

www.cisa.gov/uscert/ics/advisories/icsa-22-251-01

CVSS3

8.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.7

Confidence

High

EPSS

0.001

Percentile

36.6%

JSON

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