PT-2021-9834 · Siemens · Scalance X-200Irt+2

Published 2021-01-12 · Updated 2022-07-01 · CVE-2020-15800

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions SCALANCE X-200 switch family (incl. SIPLUS NET variants) versions prior to V5.2.5 SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) versions prior to V5.5.0 SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) versions prior to V4.1.0

Description A heap overflow condition may occur in the webserver of the affected devices due to a vulnerability. This condition can be triggered by an attacker sending specially crafted requests to the webserver, potentially causing it to stop temporarily.

Recommendations For SCALANCE X-200 switch family (incl. SIPLUS NET variants) versions prior to V5.2.5, update to version V5.2.5 or later. For SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) versions prior to V5.5.0, update to version V5.5.0 or later. For SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) versions prior to V4.1.0, update to version V4.1.0 or later.

Fix

Heap Based Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-122

CWE-787

Related Identifiers

CVE-2020-15800

Affected Products

Scalance X-200

Scalance X-200Irt

Scalance X-300

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2020-15800 · Security Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-139628.pdf · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-15800 · Vendor Advisory