high7.5Known exploited
CVE-2016-8562
Siemens SIMATIC CP 1543-1 Improper Privilege Management Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2022-03-03. Federal due date: 2022-03-24.
Apply updates per vendor instructions.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Siemens | Simatic Cp 1543-1 Firmware | before 2.0.28 |
| Siemens | Siplus Net Cp 1543-1 Firmware | before 2.0.28 |
References
- NVD record
- CVE.org record
- CISA KEV catalog
- http://www.securityfocus.com/bid/94436
- http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf
- https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01
- http://www.securityfocus.com/bid/94436
- http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf
- https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-8562