cveboard RSS feed

CVE-2021-33737

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 CP 343-1 (incl. SIPLUS variants) (All versions), SIMATIC CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC CP 343-1 ERPC (All versions), SIMATIC CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC CP 443-1 (All versions < V3.3), SIMATIC CP 443-1 (All versions < V3.3), SIMATIC CP 443-1 Advanced (All versions < V3.3), SIPLUS NET CP 443-1 (All versions < V3.3), SIPLUS NET CP 443-1 Advanced (All versions < V3.3). Sending a specially crafted packet to port 102/tcp of an affected device could cause a denial of service condition. A restart is needed to restore normal operations.

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 CP 343-1 (incl. SIPLUS variants)

Vendor
Siemens
Product
SIMATIC CP 343-1 (incl. SIPLUS variants)
Platforms
Unknown
Default status
unknown
SIMATIC CP 343-1 (incl. SIPLUS variants) · 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 CP 343-1 Advanced (incl. SIPLUS variants)

Vendor
Siemens
Product
SIMATIC CP 343-1 Advanced (incl. SIPLUS variants)
Platforms
Unknown
Default status
unknown
SIMATIC CP 343-1 Advanced (incl. SIPLUS variants) · 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 CP 343-1 ERPC

Vendor
Siemens
Product
SIMATIC CP 343-1 ERPC
Platforms
Unknown
Default status
unknown
SIMATIC CP 343-1 ERPC · 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 CP 343-1 Lean (incl. SIPLUS variants)

Vendor
Siemens
Product
SIMATIC CP 343-1 Lean (incl. SIPLUS variants)
Platforms
Unknown
Default status
unknown
SIMATIC CP 343-1 Lean (incl. SIPLUS variants) · 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 CP 443-1

Vendor
Siemens
Product
SIMATIC CP 443-1
Platforms
Unknown
Default status
unknown
SIMATIC CP 443-1 · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
All versions < V3.3affectedUnavailableUnavailableUnavailableNone listed

SIMATIC CP 443-1

Vendor
Siemens
Product
SIMATIC CP 443-1
Platforms
Unknown
Default status
unknown
SIMATIC CP 443-1 · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
All versions < V3.3affectedUnavailableUnavailableUnavailableNone listed

SIMATIC CP 443-1 Advanced

Vendor
Siemens
Product
SIMATIC CP 443-1 Advanced
Platforms
Unknown
Default status
unknown
SIMATIC CP 443-1 Advanced · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
All versions < V3.3affectedUnavailableUnavailableUnavailableNone listed

SIPLUS NET CP 443-1

Vendor
Siemens
Product
SIPLUS NET CP 443-1
Platforms
Unknown
Default status
unknown
SIPLUS NET CP 443-1 · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
All versions < V3.3affectedUnavailableUnavailableUnavailableNone listed

SIPLUS NET CP 443-1 Advanced

Vendor
Siemens
Product
SIPLUS NET CP 443-1 Advanced
Platforms
Unknown
Default status
unknown
SIPLUS NET CP 443-1 Advanced · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
All versions < V3.3affectedUnavailableUnavailableUnavailableNone listed