CVEvulnerability

CVE-2021-20998

9.8 CRITICAL Published 2021-05-13 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-05-13
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
10.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-306

Description

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

Affected configurations

• wago 0852-0303 firmware (<= 1.2.3.s0) • wago 0852-1305 firmware (<= 1.1.7.s0) • wago 0852-1505 firmware (<= 1.1.6.s0) • wago 0852-1305\/000-001 firmware (<= 1.0.4.s0) • wago 0852-1505\/000-001 firmware (<= 1.0.4.s0)

Related

Weakness · CWE (1)

  • CWE-306 Missing Authentication for Critical Functionality weakness

References