CVE-2015-2177
Summary
| CVE | CVE-2015-2177 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2015-03-07 02:59:09 UTC |
| Updated | 2026-06-02 20:16:18 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.506360000 probability, percentile 0.978980000 (date 2026-06-02)
Problem Types: CWE-20 | n/a | CWE-20 CWE-20 Improper Input Validation
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | DECLARED | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
CompleteAV:N/AC:L/Au:N/C:N/I:N/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Siemens | Simatic S7-300 Cpu | - | All | All | All |
| Operating System | Siemens | Simatic S7-300 Cpu Firmware | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Siemens SIMATIC S7-300 Lets Remote Users Deny Service - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | Third Party Advisory, VDB Entry |
| Siemens SIMATIC S7-300 CPU Denial-of-Service Vulnerability | ICS-CERT | af854a3a-2127-422b-91ae-364da2661108 | ics-cert.us-cert.gov | |
| Malformed Request | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| Siemens | af854a3a-2127-422b-91ae-364da2661108 | www.siemens.com | Vendor Advisory |
| Siemens SIMATIC S7-300 CPU - Remote Denial of Service - Linux dos Exploit | af854a3a-2127-422b-91ae-364da2661108 | www.exploit-db.com | |
| cert-portal.siemens.com/productcert/pdf/ssa-987029.pdf | af854a3a-2127-422b-91ae-364da2661108 | cert-portal.siemens.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 591120 Siemens SIMATIC S7-300 CPU Denial of Service (DoS) Vulnerability (ICSA-15-064-04,ssa-987029)