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[email protected]CVE-2023-43492

HistoryOct 19, 2023 - 8:15 p.m.

CVE-2023-43492

2023-10-1920:15:09

CWE-121

CWE-787

[email protected]

web.nvd.nist.gov

weintek

cmt3000

hmi

web cgi

cve-2023-43492

buffer overflow

codesys.cgi

authentication bypass

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

36.3%

JSON

In Weintek’s cMT3000 HMI Web CGI device, the cgi-bin codesys.cgi contains a stack-based buffer overflow, which could allow an anonymous attacker to hijack control flow and bypass login authentication.

Affected configurations

NVD

Node

weintekcmt-fhdMatch-

AND

weintekcmt-fhd_firmwareRange<20210212

Node

weintekcmt-hdmMatch-

AND

weintekcmt-hdm_firmwareRange<20210206

Node

weintekcmt3071Match-

AND

weintekcmt3071_firmwareRange<20210220

Node

weintekcmt3072Match-

AND

weintekcmt3072_firmwareRange<20210220

Node

weintekcmt3090Match-

AND

weintekcmt3090_firmwareRange<20210220

Node

weintekcmt3103Match-

AND

weintekcmt3103_firmwareRange<20210220

Node

weintekcmt3151Match-

AND

weintekcmt3151_firmwareRange<20210220

CPENameOperatorVersion
weintek:cmt-fhd_firmwareweintek cmt-fhd firmwarelt20210212

CPE	Name	Operator	Version
weintek:cmt-fhd_firmware	weintek cmt-fhd firmware	lt	20210212

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "cMT-FHD",
    "vendor": "Weintek",
    "versions": [
      {
        "lessThanOrEqual": "20210210 ",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "cMT-HDM",
    "vendor": "Weintek",
    "versions": [
      {
        "lessThanOrEqual": "20210204 ",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "cMT3071",
    "vendor": "Weintek",
    "versions": [
      {
        "lessThanOrEqual": "20210218",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "cMT3072",
    "vendor": "Weintek",
    "versions": [
      {
        "lessThanOrEqual": "20210218",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "cMT3103",
    "vendor": "Weintek",
    "versions": [
      {
        "lessThanOrEqual": "20210218",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "cMT3090",
    "vendor": "Weintek",
    "versions": [
      {
        "lessThanOrEqual": "20210218",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "cMT3151",
    "vendor": "Weintek",
    "versions": [
      {
        "lessThanOrEqual": "20210218",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]

References

dl.weintek.com/public/Document/TEC/TEC23005E_cMT_Web_Security_Update.pdf

www.cisa.gov/news-events/ics-advisories/icsa-23-285-12

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

36.3%

JSON

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