CVEvulnerability

CVE-2021-42029

7.8 HIGH Published 2022-04-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-04-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
CWE-284

Description

A vulnerability has been identified in SIMATIC STEP 7 (TIA Portal) V15 (All versions), SIMATIC STEP 7 (TIA Portal) V16 (All versions < V16 Update 5), SIMATIC STEP 7 (TIA Portal) V17 (All versions < V17 Update 2). An attacker could achieve privilege escalation on the web server of certain devices due to improper access control vulnerability in the engineering system software. The attacker needs to have direct access to the impacted web server.

Affected configurations

• siemens simatic step 7 (>= 15 < 16) • siemens simatic step 7 16 • siemens simatic step 7 17

Related

Weakness · CWE (1)

  • CWE-284 Improper Access Control weakness

References