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IcscertCVE-2021-27436

HistoryMar 18, 2021 - 10:15 p.m.

CVE-2021-27436

2021-03-1822:15:13

CWE-79

icscert

web.nvd.nist.gov

cve-2021-27436

webaccess

scada

cross-site scripting

security vulnerability

nvd

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

6.1

Confidence

High

EPSS

0.002

Percentile

60.1%

JSON

WebAccess/SCADA Versions 9.0 and prior is vulnerable to cross-site scripting, which may allow an attacker to send malicious JavaScript code to an unsuspecting user, which could result in hijacking of the user’s cookie/session tokens, redirecting the user to a malicious webpage and performing unintended browser actions.

Affected configurations

Nvd

Node

advantechwebaccess\/scadaRange≤9.0

VendorProductVersionCPE
advantechwebaccess\/scada*cpe:2.3:a:advantech:webaccess\/scada:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
advantech	webaccess\/scada	*	cpe:2.3:a:advantech:webaccess\/scada::::::::

CNA Affected

[
  {
    "product": "Advantech WebAccess/SCADA",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Versions 9.0 and prior"
      }
    ]
  }
]

References

us-cert.cisa.gov/ics/advisories/icsa-21-075-01

Social References

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

6.1

Confidence

High

EPSS

0.002

Percentile

60.1%

JSON

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