SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-8672

A vulnerability has been identified in SIMATIC CP 343-1 Advanced (incl.

MEDIUM 5.3EPSS 1.89%

Does this matter?

Lower severity and a low EPSS score (1.89%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 3.0
5.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
1.89% probability · 79th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-200
Affected
siemens/simatic cp 343-1 firmware · siemens/simatic s7 300 cpu firmware · siemens/simatic s7 400 cpu firmware · siemens/simatic cp 443-1 firmware
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 1.89%27 October 202627 October 2026

EPSS 1.9% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.