CVEvulnerability

CVE-2022-33138

7.5 HIGH Published 2022-07-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-07-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-306

Description

A vulnerability has been identified in SIMATIC MV540 H (All versions < V3.3), SIMATIC MV540 S (All versions < V3.3), SIMATIC MV550 H (All versions < V3.3), SIMATIC MV550 S (All versions < V3.3), SIMATIC MV560 U (All versions < V3.3), SIMATIC MV560 X (All versions < V3.3). Affected devices do not perform authentication for several web API endpoints. This could allow an unauthenticated remote attacker to read and download data from the device.

Affected configurations

• siemens simatic mv540 h firmware (< 3.3) • siemens simatic mv540 s firmware (< 3.3) • siemens simatic mv550 h firmware (< 3.3) • siemens simatic mv550 s firmware (< 3.3) • siemens simatic mv560 u firmware (< 3.3) • siemens simatic mv560 x firmware (< 3.3)

Related

Weakness · CWE (1)

  • CWE-306 Missing Authentication for Critical Functionality weakness

References