CVE-2016-2200: siemens simatic_s7-1500_cpu_firmware Improper Input Validation
CVSS: 7.8v2.0HighModified
Published 08-02-2016Last modified 05-08-2024
Vulnerability summary
CVE-2016-2200 is a high (CVSS 7.8) Improper Input Validation vulnerability in siemens simatic_s7-1500_cpu_firmware. EPSS estimates a 6.37% chance of exploitation in the next 30 days, higher than 93.5% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v2.0 (NVD)EPSS score
6.37%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-02-2016PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Siemens SIMATIC S7-1500 CPU devices before 1.8.3 allow remote attackers to cause a denial of service (STOP mode transition) via crafted packets on TCP port 102.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
High 7.8Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
6.37%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
0.00 pp
From 6.37% on 19-09-2026
19-09-202619-10-2026
EPSS score6.37%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Siemens1 product
- simatic_s7-1500_cpu_firmware≤ 1.8.2
1 vendor · 1 product
References
5 links- www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-253230.pdfX Refsource CONFIRMVendor Advisory
- ics-cert.us-cert.gov/advisories/ICSA-16-040-02X Refsource MISCThird Party AdvisoryUS Government Resource
- cert-portal.siemens.com/productcert/pdf/ssa-253230.pdfX Refsource CONFIRM