CVE-2016-8562A vulnerability has been identified in SIMATIC CP 1543-1 (All versions < V2.0.28), SIPLUS NET CP 1543-1 (All versions < V2.0.28).
Updated under an hour ago ()
Does this affect you?
It affects siemens simatic_cp_1543-1_firmware and 1 other product. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Mar 3, 2022; federal agencies had to remediate by Mar 24, 2022. Treat that date as your deadline.
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Free account, 1 product
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.
- CVSS
- 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Added to CISA KEV Mar 3, 2022; federal remediation due Mar 24, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 3.61% (percentile 89)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
siemens simatic_cp_1543-1_firmware siemens:simatic_cp_1543-1_firmware | before 2.0.28 | NVD |
siemens siplus_net_cp_1543-1_firmware siemens:siplus_net_cp_1543-1_firmware | before 2.0.28 | NVD |
References
- http://www.securityfocus.com/bid/94436vdb-entry, x-refsource-bid, broken-link, third-party-advisory
- https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01x-refsource-misc, third-party-advisory, us-government-resource
- http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdfx-refsource-confirm, broken-link, patch, vendor-advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdfx-refsource-confirm, vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-8562us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.