CVE-2016-8562

moderate-risk
Published 2016-11-18

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.

Do I need to act?

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14.6% chance of exploitation in next 30 days
EPSS score — higher than 85% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / HIGH complexity

Affected Products (2)

Affected Vendors

Siemens

References (9)

Broken Link http://www.securityfocus.com/bid/94436
Broken Link http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf
Vendor Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf
Third Party Advisory https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01
Broken Link http://www.securityfocus.com/bid/94436
Broken Link http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf
Vendor Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf
Third Party Advisory https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-...
48
/ 100
moderate-risk
Severity 22/34 · High
Exploitability 19/34 · Moderate
Exposure 7/34 · Low