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cve[email protected]CVE-2021-20998
HistoryMay 13, 2021 - 2:15 p.m.

CVE-2021-20998

2021-05-1314:15:18
CWE-306
[email protected]
web.nvd.nist.gov
21
4
cve
2021
20998
wago
managed switches
authorization bypass
user creation
security vulnerability

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.2 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

60.8%

JSON

In multiple managed switches by WAGO in different versions without authorization and with specially crafted packets it is possible to create users.

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-

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"
      }
    ]
  }
]

Social References

More

Related

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prion 1
nvd 1
cvelist
cvelist
CVE-2021-20998 WAGO: Managed Switches: Unauthorized creation of user accounts
2021-05-05 00:00:00
prion
prion
Authorization
2021-05-13 14:15:00
nvd
nvd
CVE-2021-20998
2021-05-13 14:15:18

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.2 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

60.8%

JSON
Related for CVE-2021-20998
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