Search/CVE-2016-8672
● CVE — Medium

CVE-2016-8672

VendorsiemensProductsimatic cp 343-1 firmware, simatic cp 443-1 firmware, simatic s7-300 cpu firmware, simatic s7-400 cpu firmwareDiscoveredNov 23, 2016UpdatedMay 6, 2026

A vulnerability has been identified in SIMATIC CP 343-1 Advanced (incl. SIPLUS NET variant) (All versions < V3.0.53), SIMATIC CP 443-1 Advanced (incl. SIPLUS NET variant) (All versions < V3.2.17), SIMATIC S7-300 PN/DP CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP CPU family (incl. SIPLUS variants) (All versions). The integrated web server delivers cookies without the "secure" flag. Modern browsers interpreting the flag would mitigate potential data leakage in case of clear text transmission.

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CVSS v3.1
5.3 MEDIUM
EPSS
1.89%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 22, 2026
▲ 0.04pp
1.85% → 1.89% over 10 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityLOW
IntegrityNONE
AvailabilityNONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Connections
5 relationships
Timeline
disclosure → media coverage
Nov 23, 2016
Disclosure — published as a CVE record. · last revised by NVD May 6, 2026