High severity · published Nov 23, 2016
CVE-2016-8673
A vulnerability has been identified in SIMATIC CP 343-1 Advanced (incl
8.8
CVSS
1.1%
EPSS
No
On KEV
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 at port 80/TCP or port 443/TCP of the affected devices could allow remote attackers to perform actions with the permissions of an authenticated user, provided the targeted user has an active session and is induced to trigger the malicious request.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
Simatic CP 343-1 Firmware · Siemens
All versions, or not specified · source: NVD
SC
Simatic CP 443-1 Firmware · Siemens
All versions, or not specified · source: NVD
SS
Simatic S7 300 Cpu Firmware · Siemens
All versions, or not specified · source: NVD
SS
Simatic S7 400 Cpu Firmware · Siemens
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-8673
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-8673
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/pdf/ssa-603476.pdf
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