AEGLIX vulnerability intelligence
CVE-2016-8562
HIGH · CVSS 7.5 · Analyzed
Published: 2016-11-18 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
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.
Severity and scoring
- CVSS score
- 7.5 · HIGH
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- NVD-CWE-noinfo
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Siemens · SIMATIC CP
- Added to catalog
- 2022-03-03
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2022-03-24
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:o:siemens:simatic_cp_1543-1_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 2.0.28
cpe:2.3:o:siemens:siplus_net_cp_1543-1_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 2.0.28
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- http://www.securityfocus.com/bid/94436
Broken Link · Third Party Advisory · VDB Entry
- http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf
Broken Link · Patch · Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf
Vendor Advisory
- https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01
Third Party Advisory · US Government Resource
- http://www.securityfocus.com/bid/94436
Broken Link · Third Party Advisory · VDB Entry
- http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf
Broken Link · Patch · Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf
Vendor Advisory
- https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01
Third Party Advisory · US Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-8562
US Government Resource