Siemens SIMATIC and TIA Portal Products: Type Confusion Vulnerability in Log File Parsing
CVE-2024-49849 Published on December 10, 2024

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 9), SIMATIC STEP 7 Safety V18 (All versions), SIMATIC STEP 7 Safety V19 (All versions < V19 Update 4), SIMATIC STEP 7 V16 (All versions), SIMATIC STEP 7 V17 (All versions < V17 Update 9), SIMATIC STEP 7 V18 (All versions), SIMATIC STEP 7 V19 (All versions < V19 Update 4), SIMATIC WinCC Unified V16 (All versions), SIMATIC WinCC Unified V17 (All versions < V17 Update 9), SIMATIC WinCC Unified V18 (All versions), SIMATIC WinCC Unified V19 (All versions < V19 Update 4), SIMATIC WinCC V16 (All versions), SIMATIC WinCC V17 (All versions < V17 Update 9), SIMATIC WinCC V18 (All versions), SIMATIC WinCC V19 (All versions < V19 Update 4), SIMOCODE ES V16 (All versions), SIMOCODE ES V17 (All versions), SIMOCODE ES V18 (All versions), SIMOCODE ES V19 (All versions), SIMOTION SCOUT TIA V5.4 (All versions), SIMOTION SCOUT TIA V5.5 (All versions), SIMOTION SCOUT TIA V5.6 (All versions < V5.6 SP1 HF7), SINAMICS Startdrive V16 (All versions), SINAMICS Startdrive V17 (All versions), SINAMICS Startdrive V18 (All versions), SINAMICS Startdrive V19 (All versions), SIRIUS Safety ES V17 (TIA Portal) (All versions), SIRIUS Safety ES V18 (TIA Portal) (All versions), SIRIUS Safety ES V19 (TIA Portal) (All versions), SIRIUS Soft Starter ES V17 (TIA Portal) (All versions), SIRIUS Soft Starter ES V18 (TIA Portal) (All versions), SIRIUS Soft Starter ES V19 (TIA Portal) (All versions), TIA Portal Cloud V16 (All versions), TIA Portal Cloud V17 (All versions), TIA Portal Cloud V18 (All versions), TIA Portal Cloud V19 (All versions < V5.2.1.1). Affected products do not properly sanitize user-controllable input when parsing log files. This could allow an attacker to cause a type confusion and execute arbitrary code within the affected application.

NVD

Weakness Type

What is a Marshaling, Unmarshaling Vulnerability?

The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

CVE-2024-49849 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.

Products Associated with CVE-2024-49849

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2024-49849 are published in these products:

Siemens Simatic Step 7

Siemens Simatic Wincc

Affected Versions

Siemens SIMATIC S7-PLCSIM V16:

Before * is affected.

Siemens SIMATIC S7-PLCSIM V17:

Before * is affected.

Siemens SIMATIC STEP 7 Safety V16:

Before * is affected.

Siemens SIMATIC STEP 7 Safety V17:

Before V17 Update 9 is affected.

Siemens SIMATIC STEP 7 Safety V18:

Before * is affected.

Siemens SIMATIC STEP 7 Safety V19:

Before V19 Update 4 is affected.

Siemens SIMATIC STEP 7 V16:

Before * is affected.

Siemens SIMATIC STEP 7 V17:

Before V17 Update 9 is affected.

Siemens SIMATIC STEP 7 V18:

Before * is affected.

Siemens SIMATIC STEP 7 V19:

Before V19 Update 4 is affected.

Siemens SIMATIC WinCC Unified V16:

Before * is affected.

Siemens SIMATIC WinCC Unified V17:

Before V17 Update 9 is affected.

Siemens SIMATIC WinCC Unified V18:

Before * is affected.

Siemens SIMATIC WinCC Unified V19:

Before V19 Update 4 is affected.

Siemens SIMATIC WinCC V16:

Before * is affected.

Siemens SIMATIC WinCC V17:

Before V17 Update 9 is affected.

Siemens SIMATIC WinCC V18:

Before * is affected.

Siemens SIMATIC WinCC V19:

Before V19 Update 4 is affected.

Siemens SIMOCODE ES V16:

Before * is affected.

Siemens SIMOCODE ES V17:

Before * is affected.

Siemens SIMOCODE ES V18:

Before * is affected.

Siemens SIMOCODE ES V19:

Before * is affected.

Siemens SIMOTION SCOUT TIA V5.4:

Before * is affected.

Siemens SIMOTION SCOUT TIA V5.5:

Before * is affected.

Siemens SIMOTION SCOUT TIA V5.6:

Before V5.6 SP1 HF7 is affected.

Siemens SINAMICS Startdrive V16:

Before * is affected.

Siemens SINAMICS Startdrive V17:

Before * is affected.

Siemens SINAMICS Startdrive V18:

Before * is affected.

Siemens SINAMICS Startdrive V19:

Before * is affected.

Siemens SIRIUS Safety ES V17 (TIA Portal):

Before * is affected.

Siemens SIRIUS Safety ES V18 (TIA Portal):

Before * is affected.

Siemens SIRIUS Safety ES V19 (TIA Portal):

Before * is affected.

Siemens SIRIUS Soft Starter ES V17 (TIA Portal):

Before * is affected.

Siemens SIRIUS Soft Starter ES V18 (TIA Portal):

Before * is affected.

Siemens SIRIUS Soft Starter ES V19 (TIA Portal):

Before * is affected.

Siemens TIA Portal Cloud V16:

Before * is affected.

Siemens TIA Portal Cloud V17:

Before * is affected.

Siemens TIA Portal Cloud V18:

Before * is affected.

Siemens TIA Portal Cloud V19:

Before V5.2.1.1 is affected.

Exploit Probability

EPSS

0.08%

Percentile

22.37%