Home/CVE/A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5),
CVE

CVE-2020-15800

A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5),

A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.5.0), SCALANCE X-300 switch family (incl.

X408 and SIPLUS NET variants) (All versions < V4.1.0). The webserver of the affected devices contains a vulnerability that may lead to a heap overflow condition. An attacker could cause this condition on the webserver by sending specially crafted requests.

This could stop the webserver temporarily.

CRITICAL · CVSS 9.8 EPSS 0.0068
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-122Heap-based Buffer Overflow
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

60
siemens scalance x200-4pirt firmware< 5.5.0
siemens scalance x201-3pirt firmware< 5.5.0
siemens scalance x202-2irt firmware< 5.5.0
siemens scalance x202-2pirt firmware< 5.5.0
siemens scalance x202-2pirt siplus net firmware< 5.5.0
siemens scalance x204irt firmware< 5.5.0
siemens scalance x307-3 firmwareall versions
siemens scalance x307-3ld firmwareall versions
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · productcert@siemens.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Jan 2021 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

2
siemens-csafSSA-139628
cisa-csafcisa-csaf-csaf_files-OT-white-2021-icsa-21-012-05
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cert-portal.siemens.com/productcert/pdf/ssa-139628.pdfVendor Advisory
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