CVE-2016-8562 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 po...
HighCVSS 7.5
EPSS 3.6%
CISA KEV
added 2022-03-03 · due 2022-03-24
Exploited in the wild
- Published
- Updated
- Exploit status
- Exploited in the wild (confirmed)
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.
CISA Known Exploited Vulnerability
- Date added
- 2022-03-03
- Due date (FCEB)
- 2022-03-24
- Ransomware use
- Unknown
Required action
Apply updates per vendor instructions.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Siemens simatic cp 1543-1 firmware | < 2.0.28 | 2.0.28 |
| Siemens siplus net cp 1543-1 firmware | < 2.0.28 | 2.0.28 |
References
- 94436 broken-link third-party-advisory vdb-entry
- www.siemens.com broken-link patch vendor-advisory
- cert-portal.siemens.com vendor-advisory
- ics-cert.us-cert.gov third-party-advisory us-government-resource
- www.cisa.gov government-resource us-government-resource