Medium severity · published Feb 8, 2016
CVE-2016-2201
Siemens SIMATIC S7-1500 CPU devices before 1.8.3 allow remote attackers to bypass a replay protection mechanism via packets on TCP port 102
5.3
CVSS
2.9%
EPSS
No
On KEV
Description
Siemens SIMATIC S7-1500 CPU devices before 1.8.3 allow remote attackers to bypass a replay protection mechanism via packets on TCP port 102.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.9% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SS
Simatic S7-1500 Cpu Firmware · Siemens
1.8.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-2201
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-2201
Third Party Advisory
http://www.securityfocus.com/bid/83110
Third Party Advisory
http://www.securitytracker.com/id/1034954
Vendor Advisory
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-253230.pdf
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/pdf/ssa-253230.pdf
Third Party Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-16-040-02
More from Simatic S7-1500 Cpu Firmware
7.5
CVE-2022-25622
The PROFINET (PNIO) stack, when integrated with the Interniche IP stack, improperly handles internal resources for TCP segments where the minimum TCP-Header length is less than…
7.5
CVE-2019-10936
Affected devices improperly handle large amounts of specially crafted UDP packets
7.5
CVE-2016-2200
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
–
CVE-2014-5074
Siemens SIMATIC S7-1500 CPU devices with firmware before 1.6 allow remote attackers to cause a denial of service (device restart and STOP transition) via crafted TCP packets
–
CVE-2014-2259
Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted HTTPS packets