CVE-2016-8562 kev in the critical feed json
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).
published 2016-11-18 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-9410
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Exploited
- added 2022-03-03
- epss
- 3.6%
- EPSS 3.6% chance of exploitation in 30 days, percentile 89%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
cisa required action Apply updates per vendor instructions.
- siemens simatic_cp_1543-1_firmware 2.0.28
- siemens siplus_net_cp_1543-1_firmware 2.0.28
Timeline
- Published
- Added to CISA KEV
- CISA patch deadline
- CISA SSVC: exploitation active
Known exploited
- Added
- 4 y ago
- Patch by
- 2022-03-24 (4 y ago)
- Ransomware
- Not known
- Required action
- Apply updates per vendor instructions.
- Vendor, product
- Siemens, SIMATIC CP
- CISA name
- Siemens SIMATIC CP 1543-1 Improper Privilege Management Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- no
- Technical impact
- total
- Assessed
- 21 mo ago
Exploit prediction
3.61% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:N/A:P |
References
-
siemens.com
/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf
broken-link, patch, vendor-advisory
-
cert-portal.siemens.com
/productcert/pdf/ssa-672373.pdf
vendor-advisory
-
securityfocus.com
/bid/94436
vdb-entry, broken-link, third-party-advisory
-
ics-cert.us-cert.gov
/advisories/ICSA-16-327-01
third-party-advisory, us-government-resource
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-8562
government-resource, us-government-resource
Sources
- CVE List CVE-2016-8562
- NVD CVE-2016-8562
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