CVE-2012-3017
CVE-2012-3017 is a high-severity vulnerability in Siemens Simatic S7-400 Cpu Firmware with a CVSS 2.0 base score of 7.8. 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-119.
Key facts
- Severity: High (CVSS 2.0 base score 7.8)
- EPSS exploit prediction: 3% (88th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Siemens Simatic S7-400 Cpu Firmware
- Published:
- Last modified:
Description
Siemens SIMATIC S7-400 PN CPU devices with firmware 5.x allow remote attackers to cause a denial of service (defect-mode transition and service outage) via (1) malformed HTTP traffic or (2) malformed IP packets.
Frequently asked questions
- What is CVE-2012-3017?
- Siemens SIMATIC S7-400 PN CPU devices with firmware 5.x allow remote attackers to cause a denial of service (defect-mode transition and service outage) via (1) malformed HTTP traffic or (2) malformed IP packets.
- How severe is CVE-2012-3017?
- CVE-2012-3017 has a CVSS 2.0 base score of 7.8, rated high severity.
- Is CVE-2012-3017 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2012-3017?
- CVE-2012-3017 primarily affects Siemens Simatic S7-400 Cpu Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2012-3017?
- 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-2012-3017 published?
- CVE-2012-3017 was published on 2012-07-31 and last updated on 2026-06-16.
References
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-617264.pdf
- http://www.us-cert.gov/control_systems/pdf/ICSA-12-212-02.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-617264.pdf
Affected products (4)
- cpe:2.3:o:siemens:simatic_s7-400_cpu_firmware:5.0:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_s7-400_cpu_414-3_pn\/dp:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_s7-400_cpu_416-3_pn\/dp:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_s7-400_cpu_416f-3_pn\/dp:*:*:*:*:*:*:*:*
More vulnerabilities in Siemens Simatic S7-400 Cpu Firmware
- CVE-2012-3016 — High (CVSS 7.8): Siemens SIMATIC S7-400 PN CPU devices with firmware 6 before 6.0.3 allow remote attackers to cause a denial of service…
- CVE-2016-9158 — High (CVSS 7.5): A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300 CPU family (incl.…
- CVE-2016-9159 — Medium (CVSS 5.9): A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300 CPU family (incl.…
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