7.5High
KEV
CVE-2016-8562Siemens SIMATIC CP 1543-1 Improper Privilege Management Vulnerability
Known exploited — Siemens SIMATIC CP 1543-1 Improper Privilege Management Vulnerability
CISA confirmed this vulnerability is used in real attacks on 03.03.2022. Remediation deadline for US federal agencies: 24.03.2022.
Required action: Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2016-8562
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.
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| siemens | simatic cp 1543-1 firmware | < 2.0.28 | |
| siemens | siplus net cp 1543-1 firmware | < 2.0.28 |
References and patches
- 94436 vdb-entryBroken LinkThird Party AdvisoryVDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01 Third Party AdvisoryUS Government Resource
- http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf Broken LinkPatchVendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-8562 US Government Resource
CPE matches (NVD) (2)
cpe:2.3:o:siemens:simatic_cp_1543-1_firmware:*:*:*:*:*:*:*:*< 2.0.28cpe:2.3:o:siemens:siplus_net_cp_1543-1_firmware:*:*:*:*:*:*:*:*< 2.0.28