CVE•Published 2015-03-07•Modified 2026-06-02•1 article on news•6 live references•NVD data
CVE-2015-2177Siemens · Simatic_s7-300_cpu_firmware
Vulnerability data via NVD (ingested)
CVSS v3.1
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS percentile
98
Exploit Prediction Scoring System · top 2% of all CVEs
Weaknesses (CWE)
Description
Siemens SIMATIC S7-300 CPU devices allow remote attackers to cause a denial of service (defect-mode transition) via crafted packets on (1) TCP port 102 or (2) Profibus.
Timeline
Published 2015-03-07
Modified 2026-06-02
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2015-2177Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Simatic S7-300 Cpu Firmware"Hosts Shodan identified as running Simatic S7-300 Cpu Firmware.
More intel sources (5)
Shodan report
vuln:CVE-2015-2177Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2015-2177Censys host search filtered to this CVE id.
grep.app
CVE-2015-2177Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2015-2177GitHub code search for direct mentions.
Google dork
"CVE-2015-2177" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.