Vulnerability Details : CVE-2021-20998

In multiple managed switches by WAGO in different versions without authorization and with specially crafted packets it is possible to create users.
Published 2021-05-13 14:15:18
Updated 2021-05-20 20:03:56
Source CERT VDE
View at NVD,   CVE.org

Products affected by CVE-2021-20998

Exploit prediction scoring system (EPSS) score for CVE-2021-20998

EPSS FAQ
0.22%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 61 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-20998

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
 NIST
10.0
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
3.9
6.0
 CERT VDE
9.8
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
 NIST

CWE ids for CVE-2021-20998

  • The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
    Assigned by:
    • info@cert.vde.com (Secondary)
    • nvd@nist.gov (Primary)

References for CVE-2021-20998

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