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TalosCVE-2019-5160

HistoryMar 11, 2020 - 10:27 p.m.

CVE-2019-5160

2020-03-1122:27:41

talos

web.nvd.nist.gov

cve-2019-5160

wago pfc200

firmware

vulnerability

host validation

cloud connectivity

unauthorized access

iot hub

nvd

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.001

Percentile

33.2%

JSON

An exploitable improper host validation vulnerability exists in the Cloud Connectivity functionality of WAGO PFC200 Firmware versions 03.02.02(14), 03.01.07(13), and 03.00.39(12). A specially crafted HTTPS POST request can cause the software to connect to an unauthorized host, resulting in unauthorized access to firmware update functionality. An attacker can send an authenticated HTTPS POST request to direct the Cloud Connectivity software to connect to an attacker controlled Azure IoT Hub node.

Affected configurations

Nvd

Vulners

Node

wagopfc200_firmwareMatch03.00.39\(12\)

wagopfc200_firmwareMatch03.01.07\(13\)

wagopfc200_firmwareMatch03.02.02\(14\)

AND

wagopfc200Match-

VendorProductVersionCPE
wagopfc200_firmware03.00.39(12)cpe:2.3:o:wago:pfc200_firmware:03.00.39\(12\):*:*:*:*:*:*:*
wagopfc200_firmware03.01.07(13)cpe:2.3:o:wago:pfc200_firmware:03.01.07\(13\):*:*:*:*:*:*:*
wagopfc200_firmware03.02.02(14)cpe:2.3:o:wago:pfc200_firmware:03.02.02\(14\):*:*:*:*:*:*:*
wagopfc200-cpe:2.3:h:wago:pfc200:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
wago	pfc200_firmware	03.00.39(12)	cpe:2.3:o:wago:pfc200_firmware:03.00.39\(12\):::::::*
wago	pfc200_firmware	03.01.07(13)	cpe:2.3:o:wago:pfc200_firmware:03.01.07\(13\):::::::*
wago	pfc200_firmware	03.02.02(14)	cpe:2.3:o:wago:pfc200_firmware:03.02.02\(14\):::::::*
wago	pfc200	-	cpe:2.3:h:wago:pfc200:-:::::::*

CNA Affected

[
  {
    "product": "WAGO PFC200 Firmware",
    "vendor": "Wago",
    "versions": [
      {
        "status": "affected",
        "version": "version 03.02.02(14)"
      },
      {
        "status": "affected",
        "version": "version 03.01.07(13)"
      },
      {
        "status": "affected",
        "version": "version 03.00.39(12)"
      }
    ]
  }
]

References

talosintelligence.com/vulnerability_reports/TALOS-2019-0953

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.001

Percentile

33.2%

JSON

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