CVE-2016-8562
Summary
| CVE | CVE-2016-8562 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-11-18 21:59:02 UTC |
| Updated | 2026-04-21 17:42:59 UTC |
| Description | A vulnerability has been identified in SIMATIC CP 1543-1 (All versions < V2.0.28), SIPLUS NET CP 1543-1 (All versions < V2.0.28). Under special conditions it was possible to write SNMP variables on port 161/udp which should be read-only and should only be configured with TIA-Portal. A write to these variables could reduce the availability or cause a denial-of-service. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from [email protected]
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.185450000 probability, percentile 0.952700000 (date 2026-04-22)
CISA KEV: Listed on 2022-03-03; due 2022-03-24; ransomware use Unknown
Problem Types: NVD-CWE-noinfo | n/a | CWE-noinfo Not enough information
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | ADP | DECLARED | 7.5 | HIGH | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 2.0 | [email protected] | Primary | 3.5 | AV:N/AC:M/Au:S/C:N/I:N/A:P |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
HighPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
SingleConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:N/AC:M/Au:S/C:N/I:N/A:P
CISA Known Exploited Vulnerability
| Vendor | Siemens |
|---|---|
| Product | SIMATIC CP |
| Name | Siemens SIMATIC CP 1543-1 Improper Privilege Management Vulnerability |
| Required Action | Apply updates per vendor instructions. |
| Notes | https://nvd.nist.gov/vuln/detail/CVE-2016-8562 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Siemens | Simatic Cp 1543-1 | - | All | All | All |
| Operating System | Siemens | Simatic Cp 1543-1 Firmware | All | All | All | All |
| Hardware | Siemens | Siplus Net Cp 1543-1 | - | All | All | All |
| Operating System | Siemens | Siplus Net Cp 1543-1 Firmware | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.cisa.gov/known-exploited-vulnerabilities-catalog | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | www.cisa.gov | US Government Resource |
| www.securityfocus.com/bid/94436 | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Broken Link, Third Party Advisory, VDB Entry |
| Siemens | af854a3a-2127-422b-91ae-364da2661108 | www.siemens.com | Broken Link, Patch, Vendor Advisory |
| cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf | af854a3a-2127-422b-91ae-364da2661108 | cert-portal.siemens.com | Vendor Advisory |
| Siemens SIMATIC CP 1543-1 Vulnerabilities | ICS-CERT | af854a3a-2127-422b-91ae-364da2661108 | ics-cert.us-cert.gov | Third Party Advisory, US Government Resource |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| ADP | 2022-03-03T00:00:00.000Z | CVE-2016-8562 added to CISA KEV |
Legacy QID Mappings
- 590755 Siemens SIMATIC CP 1543-1 Multiple Vulnerabilities (SSA-672373)