Buffer overflow in CCEServer (aka the central communications component) in Siemens WinCC before 7.2, as used in SIMATIC PCS7 before 8.0 SP1 and other products, allows remote attackers to cause a denial of service via a crafted packet.
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-714398.pdf
http://ics-cert.us-cert.gov/pdf/ICSA-13-079-02.pdf
Source: Mitre, NVD
Published: 2013-03-21
Updated: 2026-06-16
Base Score: 6.1
Vector: CVSS2#AV:A/AC:L/Au:N/C:N/I:N/A:C
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High
EPSS: 0.00136