CVE-2016-8562
· published 2016-11-18
Source record Collected from the National Vulnerability Database (NVD)
CISA Known Exploited Vulnerabilities
CISA lists this CVE as known exploited (added 2022-03-03).
- CISA's name for it: Siemens SIMATIC CP 1543-1 Improper Privilege Management Vulnerability
- CISA's description: An improper privilege management vulnerability exists within the Siemens SIMATIC Communication Processor (CP) that allows a privileged attacker to remotely cause a denial of service.
- Known ransomware campaign use, per CISA: Unknown
Source: CISA KEV catalog (CC0 1.0).
Description
Description by MITRE via the CVE Program.
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.
Status at the source
- NVD status: Analyzed
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a: affected |
Products named in NVD's CPE match criteria (2)
cpe:2.3:o:siemens:simatic_cp_1543-1_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:siplus_net_cp_1543-1_firmware:*:*:*:*:*:*:*:*
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 3.1: 7.5 HIGH — as published by NIST (Primary)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1: 7.5 HIGH — as published by CISA-ADP (Secondary)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0: 3.5 LOW — as published by NIST (Primary)
AV:N/AC:M/Au:S/C:N/I:N/A:P - SSVC — CISA's assessment (SSVC 2.0.3, CISA Coordinator): Exploitation: active · Automatable: no · Technical impact: total
DeSpy does not score records. These are the sources' own values.
Weaknesses
NVD-CWE-noinfo
Sources
References the source lists
- 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
Source dates: published 2016-11-18, last changed 2026-06-17. DeSpy's copy of this version is dated 2026-09-28.
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