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CERTVDECVELIST:CVE-2022-4332

HistoryJun 01, 2023 - 5:36 a.m.

CVE-2022-4332 Sprecher: Vulnerable firmware verification

2023-06-0105:36:28

CWE-20

CERTVDE

www.cve.org

sprecher automation

sprecon-e-c/p/t3

vulnerable

firmware

verification

hardware manipulation

code injection

CVSS3

6.8

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.1

Confidence

High

EPSS

0.001

Percentile

33.2%

JSON

In Sprecher Automation SPRECON-E-C/P/T3 CPU in variant PU244x a vulnerable firmware verification has been identified. Through physical access and hardware manipulation, an attacker might be able to bypass hardware-based code verification and thus inject and execute arbitrary code and gain full access of the device.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "SPRECON-E-C/P/T3 CPU PU244x",
    "vendor": "Sprecher Automation",
    "versions": [
      {
        "status": "affected",
        "version": "all"
      }
    ]
  }
]

References

www.sprecher-automation.com/fileadmin/itSecurity/PDF/2022-12_Advisories.pdf

CVSS3

6.8

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.1

Confidence

High

EPSS

0.001

Percentile

33.2%

JSON

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