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SchneiderCVE-2020-7479

HistoryMar 23, 2020 - 8:15 p.m.

CVE-2020-7479

2020-03-2320:15:12

CWE-306

schneider

web.nvd.nist.gov

igss

vulnerability

cwe-306

cve-2020-7479

igssupdate

nvd

authentication

local user

escalation privileges

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.9

Confidence

High

EPSS

0.001

Percentile

28.4%

JSON

A CWE-306: Missing Authentication for Critical Function vulnerability exists in IGSS (Versions 14 and prior using the service: IGSSupdate), which could allow a local user to execute processes that otherwise require escalation privileges when sending local network commands to the IGSS Update Service.

Affected configurations

Nvd

Node

schneider-electricinteractive_graphical_scada_systemRange14.0–14.0.0.20009

VendorProductVersionCPE
schneider-electricinteractive_graphical_scada_system*cpe:2.3:a:schneider-electric:interactive_graphical_scada_system:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
schneider-electric	interactive_graphical_scada_system	*	cpe:2.3:a:schneider-electric:interactive_graphical_scada_system::::::::

CNA Affected

[
  {
    "product": "IGSS (Interactive Graphical SCADA System) (IGSS Version prior to 14.0.0.20009)",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "IGSS (Interactive Graphical SCADA System) (Versions 14 and prior using the service: IGSSupdate)"
      }
    ]
  }
]

References

www.se.com/ww/en/download/document/SEVD-2020-070-01/

www.zerodayinitiative.com/advisories/ZDI-20-370/

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.9

Confidence

High

EPSS

0.001

Percentile

28.4%

JSON

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