CVE-2023-32736

HIGH7.0Insecure deserialization

Description

A vulnerability has been identified in SIMATIC S7-PLCSIM V16 (All versions), SIMATIC S7-PLCSIM V17 (All versions), SIMATIC STEP 7 Safety V16 (All versions), SIMATIC STEP 7 Safety V17 (All versions < V17 Update 8), SIMATIC STEP 7 Safety V18 (All versions < V18 Update 5), SIMATIC STEP 7 V16 (All versions), SIMATIC STEP 7 V17 (All versions < V17 Update 8), SIMATIC STEP 7 V18 (All versions < V18 Update 5), SIMATIC WinCC Unified V16 (All versions), SIMATIC WinCC Unified V17 (All versions < V17 Update 8), SIMATIC WinCC Unified V18 (All versions < V18 SP5), SIMATIC WinCC V16 (All versions), SIMATIC WinCC V17 (All versions < V17 Update 8), SIMATIC WinCC V18 (All versions < V18 SP5), SIMOCODE ES V16 (All versions), SIMOCODE ES V17 (All versions < V17 Update 8), SIMOCODE ES V18 (All versions), SIMOTION SCOUT TIA V5.4 SP1 (All versions), SIMOTION SCOUT TIA V5.4 SP3 (All versions), SIMOTION SCOUT TIA V5.5 SP1 (All versions), SINAMICS Startdrive V16 (All versions), SINAMICS Startdrive V17 (All versions), SINAMICS Startdrive V18 (All versions), SIRIUS Safety ES V17 (TIA Portal) (All versions < V17 Update 8), SIRIUS Safety ES V18 (TIA Portal) (All versions), SIRIUS Soft Starter ES V17 (TIA Portal) (All versions < V17 Update 8), SIRIUS Soft Starter ES V18 (TIA Portal) (All versions), TIA Portal Cloud V16 (All versions), TIA Portal Cloud V17 (All versions < V4.6.0.1), TIA Portal Cloud V18 (All versions < V4.6.1.0). Affected products do not properly sanitize user-controllable input when parsing user settings. This could allow an attacker to cause a type confusion and execute arbitrary code within the affected application.

CVSS breakdown

CVSS 4.0

Attack Vector

Local

Attack Complexity

Low

Attack Requirements

None

Privileges Required

Low

User Interaction

Passive

Confidentiality (Vulnerable System)

High

Integrity (Vulnerable System)

High

Availability (Vulnerable System)

High

Confidentiality (Subsequent System)

None

Integrity (Subsequent System)

None

Availability (Subsequent System)

None

CVSS 3.1

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Physical

Changed

Affected products

Siemens / SIMATIC S7-PLCSIM V160 – *
Siemens / SIMATIC S7-PLCSIM V170 – *
Siemens / SIMATIC STEP 7 Safety V160 – *
Siemens / SIMATIC STEP 7 Safety V170 – V17 Update 8
Siemens / SIMATIC STEP 7 Safety V180 – V18 Update 5
Siemens / SIMATIC STEP 7 V160 – *
Siemens / SIMATIC STEP 7 V170 – V17 Update 8
Siemens / SIMATIC STEP 7 V180 – V18 Update 5
Siemens / SIMATIC WinCC Unified V160 – *
Siemens / SIMATIC WinCC Unified V170 – V17 Update 8
Siemens / SIMATIC WinCC Unified V180 – V18 SP5
Siemens / SIMATIC WinCC V160 – *
Siemens / SIMATIC WinCC V170 – V17 Update 8
Siemens / SIMATIC WinCC V180 – V18 SP5
Siemens / SIMOCODE ES V160 – *
Siemens / SIMOCODE ES V170 – V17 Update 8
Siemens / SIMOCODE ES V180 – *
Siemens / SIMOTION SCOUT TIA V5.4 SP10 – *
Siemens / SIMOTION SCOUT TIA V5.4 SP30 – *
Siemens / SIMOTION SCOUT TIA V5.5 SP10 – *
Siemens / SINAMICS Startdrive V160 – *
Siemens / SINAMICS Startdrive V170 – *
Siemens / SINAMICS Startdrive V180 – *
Siemens / SIRIUS Safety ES V17 (TIA Portal)0 – V17 Update 8
Siemens / SIRIUS Safety ES V18 (TIA Portal)0 – *
Siemens / SIRIUS Soft Starter ES V17 (TIA Portal)0 – V17 Update 8
Siemens / SIRIUS Soft Starter ES V18 (TIA Portal)0 – *
Siemens / TIA Portal Cloud V160 – *
Siemens / TIA Portal Cloud V170 – V4.6.0.1
Siemens / TIA Portal Cloud V180 – V4.6.1.0

References

MISChttps://cert-portal.siemens.com/productcert/html/ssa-871035.html