CVE-2016-8562: Siemens SIMATIC CP 1543-1 Improper Privilege Management Vulnerability
First published: Fri Nov 18 2016(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Siemens SIMATIC CP | ||
| Siemens Simatic CP 1543-1 | ||
| Siemens SIMATIC NET CP 1543-1 | ||
| All of | ||
| Siemens Simatic CP 1543-1 | <2.0.28 | |
| Siemens SIMATIC NET CP 1543-1 | ||
| All of | ||
| Siemens SIPLUS NET CP 1543-1 | <2.0.28 | |
| Siemens SIPLUS NET CP 1543-1 Firmware |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2016-8562?
CVE-2016-8562 is classified as a high-severity vulnerability due to its potential impact on the security of affected devices.
How do I fix CVE-2016-8562?
To fix CVE-2016-8562, upgrade the firmware of SIMATIC CP 1543-1 and SIPLUS NET CP 1543-1 to version 2.0.28 or later.
What devices are affected by CVE-2016-8562?
CVE-2016-8562 affects all versions of SIMATIC CP 1543-1 and SIPLUS NET CP 1543-1 prior to version 2.0.28.
What does CVE-2016-8562 exploit?
CVE-2016-8562 exploits a flaw that allows writing to SNMP variables on port 161/udp which should be read-only.
Can CVE-2016-8562 be mitigated without a firmware patch?
Mitigating CVE-2016-8562 without a firmware patch is not recommended, as the patch addresses the core vulnerability.
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