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Vulnerability · Published Nov 12, 2024 · Assigned by siemens

CVE-2023-32736

High 7.3

In plain English

A high-severity unsafe deserialization in SIMATIC S7-PLCSIM V16 from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.2%top 87.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Siemens SIMATIC S7-PLCSIM V16 0 – before *
Siemens SIMATIC S7-PLCSIM V17 0 – before *
Siemens SIMATIC STEP 7 Safety V16 0 – before *
Siemens SIMATIC STEP 7 Safety V17 0 – before V17 Update 8
Siemens SIMATIC STEP 7 Safety V18 0 – before V18 Update 5
Siemens SIMATIC STEP 7 V16 0 – before *
Siemens SIMATIC STEP 7 V17 0 – before V17 Update 8
Siemens SIMATIC STEP 7 V18 0 – before V18 Update 5
Siemens SIMATIC WinCC Unified V16 0 – before *
Siemens SIMATIC WinCC Unified V17 0 – before V17 Update 8
Siemens SIMATIC WinCC Unified V18 0 – before V18 SP5
Siemens SIMATIC WinCC V16 0 – before *
Siemens SIMATIC WinCC V17 0 – before V17 Update 8
Siemens SIMATIC WinCC V18 0 – before V18 SP5
Siemens SIMOCODE ES V16 0 – before *
Siemens SIMOCODE ES V17 0 – before V17 Update 8
Siemens SIMOCODE ES V18 0 – before *
Siemens SIMOTION SCOUT TIA V5.4 SP1 0 – before *
Siemens SIMOTION SCOUT TIA V5.4 SP3 0 – before *
Siemens SIMOTION SCOUT TIA V5.5 SP1 0 – before *
Siemens SINAMICS Startdrive V16 0 – before *
Siemens SINAMICS Startdrive V17 0 – before *
Siemens SINAMICS Startdrive V18 0 – before *
Siemens SIRIUS Safety ES V17 (TIA Portal) 0 – before V17 Update 8
Siemens SIRIUS Safety ES V18 (TIA Portal) 0 – before *
Siemens SIRIUS Soft Starter ES V17 (TIA Portal) 0 – before V17 Update 8
Siemens SIRIUS Soft Starter ES V18 (TIA Portal) 0 – before *
Siemens TIA Portal Cloud V16 0 – before *
Siemens TIA Portal Cloud V17 0 – before V4.6.0.1
Siemens TIA Portal Cloud V18 0 – before V4.6.1.0

Weakness: CWE-502 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

References