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Fencer Intel
high 7.8

CVE-2012-1802 json

Buffer overflow in the embedded web server on the Siemens Scalance X Industrial Ethernet switch X414-3E before 3.7.1, X308-2M before 3.7.2,…

published 2012-04-18 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-1812

cvss
7.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.1%
EPSS 6.1% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

Buffer overflow in the embedded web server on the Siemens Scalance X Industrial Ethernet switch X414-3E before 3.7.1, X308-2M before 3.7.2, X-300EEC before 3.7.2, XR-300 before 3.7.2, and X-300 before 3.7.2 allows remote attackers to cause a denial of service (device reboot) or possibly execute arbitrary code via a malformed URL.

Vendor advisories

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

cisa ICSA-12-102-04 updated cvss 7.8

Siemens Scalance X Buffer Overflow Vulnerability

  • Siemens Scalance X-300 Siemens Scalance X-300EEC Siemens Scalance X308-2M Siemens Scalance X414-3E Siemens Scalance XR-300
    affected: mitigation “Information about industrial security by Siemens (http://www.siemens.com/industrialsecurity)” cert-portal.siemens.com

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

6.05% chance of exploitation in the next 30 days, higher than 93% 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

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.