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[email protected]CVE-2021-20993

HistoryMay 13, 2021 - 2:15 p.m.

CVE-2021-20993

2021-05-1314:15:17

CWE-200

[email protected]

web.nvd.nist.gov

wago

switches

directory listing

security vulnerability

cve-2021-20993

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

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

5.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

36.1%

JSON

In multiple managed switches by WAGO in different versions the activated directory listing provides an attacker with the index of the resources located inside the directory.

Affected configurations

NVD

Node

wago0852-0303_firmwareRange≤1.2.3.s0

AND

wago0852-0303Match-

Node

wago0852-1305_firmwareRange≤1.1.7.s0

AND

wago0852-1305Match-

Node

wago0852-1505_firmwareRange≤1.1.6.s0

AND

wago0852-1505Match-

Node

wago0852-1305\/000-001_firmwareRange≤1.0.4.s0

AND

wago0852-1305\/000-001Match-

Node

wago0852-1505\/000-001_firmwareRange≤1.0.4.s0

AND

wago0852-1505\/000-001Match-

CPENameOperatorVersion
wago:0852-0303_firmwarewago 0852-0303 firmwarele1.2.3.s0

CPE	Name	Operator	Version
wago:0852-0303_firmware	wago 0852-0303 firmware	le	1.2.3.s0

CNA Affected

[
  {
    "product": "0852-0303",
    "vendor": "WAGO",
    "versions": [
      {
        "lessThanOrEqual": "V1.2.3.S0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "0852-1305",
    "vendor": "WAGO",
    "versions": [
      {
        "lessThanOrEqual": "V1.1.7.S0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "0852-1505",
    "vendor": "WAGO",
    "versions": [
      {
        "lessThanOrEqual": "V1.1.6.S0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "0852-1305/000-001",
    "vendor": "WAGO",
    "versions": [
      {
        "lessThanOrEqual": "V1.0.4.S0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "0852-1505/000-001",
    "vendor": "WAGO",
    "versions": [
      {
        "lessThanOrEqual": "V1.0.4.S0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

cert.vde.com/en-us/advisories/vde-2021-013

Social References

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

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

5.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

36.1%

JSON

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