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CVE-2021-42029

CVE.org · Published

Historical CVEsJSONAI instructions

Record status
Published
Identifier year (not publication year)
2021
Source publication
Source updated
Imported by cveboard
Source snapshot
cve_2026-10-24_midnight_baseline ·

Plain text

CNA source text (English)

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.

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

SIMATIC STEP 7 (TIA Portal) V15

Vendor
Siemens
Product
SIMATIC STEP 7 (TIA Portal) V15
Platforms
Unknown
Default status
Unknown
SIMATIC STEP 7 (TIA Portal) V15 · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
All versionsaffectedUnavailableUnavailableUnavailableNone listed

SIMATIC STEP 7 (TIA Portal) V16

Vendor
Siemens
Product
SIMATIC STEP 7 (TIA Portal) V16
Platforms
Unknown
Default status
Unknown
SIMATIC STEP 7 (TIA Portal) V16 · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
All versions < V16 Update 5affectedUnavailableUnavailableUnavailableNone listed

SIMATIC STEP 7 (TIA Portal) V17

Vendor
Siemens
Product
SIMATIC STEP 7 (TIA Portal) V17
Platforms
Unknown
Default status
Unknown
SIMATIC STEP 7 (TIA Portal) V17 · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
All versions < V17 Update 2affectedUnavailableUnavailableUnavailableNone listed