Home/CVE/Siemens SIMATIC S7-300 CPU devices allow remote attackers to cause a denial of service (defect-mode transition) via craf
CVE

CVE-2015-2177

Siemens SIMATIC S7-300 CPU devices allow remote attackers to cause a denial of service (defect-mode transition) via craf

Siemens SIMATIC S7-300 CPU devices allow remote attackers to cause a denial of service (defect-mode transition) via crafted packets on (1) TCP port 102 or (2) Profibus.

HIGH · CVSS 7.5 EPSS 0.42886
Act now
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

2
siemens simatic s7-300 cpu firmwareall versions
siemens simatic s7-300 cpuall versions
⚠

Public Exploits & PoCs

2
dosSiemens SIMATIC S7-300 CPU - Remote Denial of Service2018-05-30
pocwww.exploit-db.com · 44802www.exploit-db.com
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD07 Mar 2015 · 02:59 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

1
cisa-csafcisa-csaf-csaf_files-OT-white-2015-icsa-15-064-04
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/72973
http://www.securitytracker.com/id/1032040Third Party AdvisoryVDB Entry
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-987029.pdfVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-987029.pdf
https://ics-cert.us-cert.gov/advisories/ICSA-15-064-04
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