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IcscertCVE-2021-42707

HistoryNov 22, 2021 - 8:15 p.m.

CVE-2021-42707

2021-11-2220:15:18

CWE-787

icscert

web.nvd.nist.gov

cve-2021-42707

plc editor

vulnerability

out-of-bounds write

arbitrary code execution

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

46.5%

JSON

PLC Editor Versions 1.3.8 and prior is vulnerable to an out-of-bounds write while processing project files, which may allow an attacker to execute arbitrary code.

Affected configurations

Nvd

Node

we-conplc_editorRange≤1.3.8

VendorProductVersionCPE
we-conplc_editor*cpe:2.3:a:we-con:plc_editor:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
we-con	plc_editor	*	cpe:2.3:a:we-con:plc_editor::::::::

CNA Affected

[
  {
    "product": "PLC Editor",
    "vendor": "WECON",
    "versions": [
      {
        "lessThanOrEqual": "1.3.8",
        "status": "affected",
        "version": "All",
        "versionType": "custom"
      }
    ]
  }
]

References

us-cert.cisa.gov/ics/advisories/icsa-21-315-01

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

46.5%

JSON

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