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[email protected]CVE-2021-33555

HistoryAug 31, 2021 - 11:15 a.m.

CVE-2021-33555

2021-08-3111:15:07

CWE-22

[email protected]

web.nvd.nist.gov

cve-2021-33555

pepperl+fuchs

wirelesshart-gateway

path traversal

unauthenticated

nvd

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

7.4 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

64.8%

JSON

In PEPPERL+FUCHS WirelessHART-Gateway <= 3.0.7 the filename parameter is vulnerable to unauthenticated path traversal attacks, enabling read access to arbitrary files on the server.

Affected configurations

NVD

Node

pepperl-fuchswha-gw-f2d2-0-as-z2-eth_firmwareRange≤3.0.7

AND

pepperl-fuchswha-gw-f2d2-0-as-z2-ethMatch-

Node

pepperl-fuchswha-gw-f2d2-0-as-_z2-eth.eip_firmwareRange≤3.0.7

AND

pepperl-fuchswha-gw-f2d2-0-as-_z2-eth.eipMatch-

CPENameOperatorVersion
pepperl-fuchs:wha-gw-f2d2-0-as-z2-eth_firmwarepepperl-fuchs wha-gw-f2d2-0-as-z2-eth firmwarele3.0.7

CPE	Name	Operator	Version
pepperl-fuchs:wha-gw-f2d2-0-as-z2-eth_firmware	pepperl-fuchs wha-gw-f2d2-0-as-z2-eth firmware	le	3.0.7

CNA Affected

[
  {
    "product": "WHA-GW-F2D2-0-AS- Z2-ETH",
    "vendor": "Phoenix Contact",
    "versions": [
      {
        "lessThanOrEqual": "3.0.7",
        "status": "affected",
        "version": "3.0.7",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "WHA-GW-F2D2-0-AS- Z2-ETH.EIP",
    "vendor": "Phoenix Contact",
    "versions": [
      {
        "lessThanOrEqual": "3.0.7",
        "status": "affected",
        "version": "3.0.7",
        "versionType": "custom"
      }
    ]
  }
]

References

cert.vde.com/en-us/advisories/vde-2021-027

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

7.4 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

64.8%

JSON

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