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Fencer Intel
high 7.8

CVE-2013-2780 json

Siemens SIMATIC S7-1200 PLCs 2.x and 3.x allow remote attackers to cause a denial of service (defect-mode transition and control outage) vi…

published 13y ago modified 4mo ago also EUVD-2013-2719

cvss
7.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

Siemens SIMATIC S7-1200 PLCs 2.x and 3.x allow remote attackers to cause a denial of service (defect-mode transition and control outage) via crafted packets to UDP port 161 (aka the SNMP port).

Patch / fix

  • siemens simatic_s7-1200_firmware 4.0
  • siemens simatic_s7-1200_cpu_1211c_firmware 4.0
  • siemens simatic_s7-1200_cpu_1212c_firmware 4.0
  • siemens simatic_s7-1200_cpu_1212fc_firmware 4.0
  • siemens simatic_s7-1200_cpu_1214_fc_firmware 4.0
  • siemens simatic_s7-1200_cpu_1214c_firmware 4.0
  • siemens simatic_s7-1200_cpu_1215_fc_firmware 4.0
  • siemens simatic_s7-1200_cpu_1215c_firmware 4.0
  • siemens simatic_s7-1200_cpu_1217c_firmware 4.0

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-14-079-01 updated cvss 7.8

Siemens SIMATIC S7-1200 Improper Input Validation Vulnerabilities

  • Siemens SIMATIC S7-1200 PLC family <V4.0.0
    affected: mitigation “Siemens has provided the SIMATIC S7-1200 PLC product release V4.0.0 to resolve these vulnerabilities available at: (http://support.automation.siemens.com/WW/view/en/86567043)”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

2.39% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.