CVE-2017-12741
CVE-2017-12741 is a high-severity vulnerability in Siemens Simatic S7-200 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 7.8
- CVSS v4: 8.7
- EPSS exploit prediction: 3% (87th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-400
- Affected product: Siemens Simatic S7-200 Firmware
- Published:
- Last modified:
Description
Specially crafted packets sent to port 161/udp could cause a denial of service condition. The affected devices must be restarted manually.
Frequently asked questions
- What is CVE-2017-12741?
- Specially crafted packets sent to port 161/udp could cause a denial of service condition. The affected devices must be restarted manually.
- How severe is CVE-2017-12741?
- CVE-2017-12741 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2017-12741 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-12741?
- CVE-2017-12741 primarily affects Siemens Simatic S7-200 Firmware. In total, 38 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2017-12741?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2017-12741 published?
- CVE-2017-12741 was published on 2017-12-26 and last updated on 2026-06-17.
References
- https://cert-portal.siemens.com/productcert/html/ssa-141614.html
- https://cert-portal.siemens.com/productcert/html/ssa-346262.html
- https://cert-portal.siemens.com/productcert/html/ssa-546832.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-141614.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-346262.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-546832.pdf
- https://www.securityfocus.com/bid/101964
Affected products (38)
- cpe:2.3:o:siemens:simatic_s7-200_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_s7-400pn_v6_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_s7-400h_v6_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_s7-400pn\/dp_v7_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_s7-410_v8_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_s7-300_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_s7-1200_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_s7-1500_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_s7-1500_controller_firmware:2.0:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_winac_rtx_f_2010_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_et_200al_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_et_200ecopn_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_et_200m_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_et_200mp_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_et_200pro_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_et_200s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_et_200sp_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:dk_standard_ethernet_controller_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:ek-ertec_200p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:ek-ertec_200pn_io_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simotion_d_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simotion_c_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simotion_p_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinamics_dcm_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinamics_dcp_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinamics_g110m\/g120pn_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinamics_g130_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinamics_g150_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinamics_s110pn_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinamics_s120_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinamics_s150_v4.7_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinamics_s150_v4.8_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinamics_v90pn_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinumerik_840d_sl_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_compact_field_unit_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_pn\/pn_coupler_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simocode_pro_v_profinet_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sirius_soft_starter_3rw44pn_firmware:-:*:*:*:*:*:*:*
Other CWE-400 (Uncontrolled Resource Consumption) vulnerabilities
- CVE-2026-46775 — Critical (CVSS 9.9): Vulnerability in Oracle REST Data Services (component: Core). Supported versions that are affected are 24.2.0-26.1.0.…
- CVE-2025-61303 — Critical (CVSS 9.8): Hatching Triage Sandbox Windows 10 build 2004 (2025-08-14) and Windows 10 LTSC 2021(2025-08-14) contains a…
- CVE-2025-43193 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7,…
- CVE-2025-24269 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4. An app may be able to…
- CVE-2025-24264 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4,…
- CVE-2025-24260 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4, macOS Sonoma 14.7.5,…
Browse all CWE-400 (Uncontrolled Resource Consumption) vulnerabilities →