CVE-2024-49849: High severity Siemens Simatic S7-plcsim vulnerability
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 < V18 Update 6), 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 < V18 Update 6), 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 < V18 Update 6), 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 < V18 Update 6), 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 < V18 Update 6), 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 < V6.3.0.2), 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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
SIMATIC STEP 7 Safety V17; SIMATIC STEP 7 V17; SIMATIC WinCC Unified V17; SIMATIC WinCC V17; SIRIUS Safety ES V18 (TIA Portal)to a version that resolves this vulnerability.Fixed in V17 Update 9 - Upgrade
Upgrade
SIMATIC STEP 7 Safety V18; SIMATIC STEP 7 V18; SIMATIC WinCC Unified V18; SIMATIC WinCC V18; SIRIUS Safety ES V18 (TIA Portal)to a version that resolves this vulnerability.Fixed in V18 Update 6 - Upgrade
Upgrade
SIMATIC STEP 7 Safety V19; SIMATIC STEP 7 V19; SIMATIC WinCC Unified V19; SIMATIC WinCC V19to a version that resolves this vulnerability.Fixed in V19 Update 4 - Upgrade
Upgrade
SIMOTION SCOUT TIA V5.6to a version that resolves this vulnerability.Fixed in V5.6 SP1 HF7 - Upgrade
Upgrade
TIA Portal Cloud V18to a version that resolves this vulnerability.Fixed in V6.3.0.2 - Upgrade
Upgrade
TIA Portal Cloud V19to a version that resolves this vulnerability.Fixed in V5.2.1.1
Event History
Frequently Asked Questions
What is the severity of CVE-2024-49849?
The severity of CVE-2024-49849 is currently not disclosed in the available documentation.
How do I fix CVE-2024-49849?
To fix CVE-2024-49849, ensure that affected Siemens software versions are updated to the latest patches provided by Siemens.
Which software versions are affected by CVE-2024-49849?
CVE-2024-49849 affects Siemens SIMATIC S7-PLCSIM V16 and V17, SIMATIC STEP 7 Safety V16 to V19, and various other SIMATIC software versions.
Is CVE-2024-49849 exploitable remotely?
Details on remote exploitability for CVE-2024-49849 have not been specified in the available reports.
What are the potential impacts of CVE-2024-49849?
The potential impacts of CVE-2024-49849 may include unauthorized access or manipulation of the affected Siemens software systems.