PT-2020-9415 · Siemens · Simatic S7-300 Cpu 317F-2 Pn/Dp+14

Published 2020-02-11 · Updated 2023-01-10 · CVE-2019-13940

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: SIMATIC ET 200pro IM154-8 PN/DP CPU versions prior to V3.X.17 SIMATIC ET 200pro IM154-8F PN/DP CPU versions prior to V3.X.17 SIMATIC ET 200pro IM154-8FX PN/DP CPU versions prior to V3.X.17 SIMATIC ET 200S IM151-8 PN/DP CPU versions prior to V3.X.17 SIMATIC ET 200S IM151-8F PN/DP CPU versions prior to V3.X.17 SIMATIC S7-1200 CPU family (incl. SIPLUS variants) versions prior to V4.1 SIMATIC S7-300 CPU 314C-2 PN/DP versions prior to V3.X.17 SIMATIC S7-300 CPU 315-2 PN/DP versions prior to V3.X.17 SIMATIC S7-300 CPU 315F-2 PN/DP versions prior to V3.X.17 SIMATIC S7-300 CPU 315T-3 PN/DP versions prior to V3.X.17 SIMATIC S7-300 CPU 317-2 PN/DP versions prior to V3.X.17 SIMATIC S7-300 CPU 317F-2 PN/DP versions prior to V3.X.17 SIMATIC S7-300 CPU 317T-3 PN/DP versions prior to V3.X.17 SIMATIC S7-300 CPU 317TF-3 PN/DP versions prior to V3.X.17 SIMATIC S7-300 CPU 319-3 PN/DP versions prior to V3.X.17 SIMATIC S7-300 CPU 319F-3 PN/DP versions prior to V3.X.17 SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) all versions SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) all versions SIMATIC WinAC RTX 2010 all versions SIMATIC WinAC RTX F 2010 all versions SIPLUS ET 200S IM151-8 PN/DP CPU versions prior to V3.X.17 SIPLUS ET 200S IM151-8F PN/DP CPU versions prior to V3.X.17 SIPLUS S7-300 CPU 314C-2 PN/DP versions prior to V3.X.17 SIPLUS S7-300 CPU 315-2 PN/DP versions prior to V3.X.17 SIPLUS S7-300 CPU 315F-2 PN/DP versions prior to V3.X.17 SIPLUS S7-300 CPU 317-2 PN/DP versions prior to V3.X.17 SIPLUS S7-300 CPU 317F-2 PN/DP versions prior to V3.X.17

Description: A vulnerability has been identified that could cause a denial of service condition of the web server by sending specially crafted HTTP requests to ports 80/tcp and 443/tcp. Beyond the web service, no other functions or interfaces are affected by the denial of service condition.

Recommendations: For SIMATIC ET 200pro IM154-8 PN/DP CPU versions prior to V3.X.17, update to version V3.X.17 or later. For SIMATIC ET 200pro IM154-8F PN/DP CPU versions prior to V3.X.17, update to version V3.X.17 or later. For SIMATIC ET 200pro IM154-8FX PN/DP CPU versions prior to V3.X.17, update to version V3.X.17 or later. For SIMATIC ET 200S IM151-8 PN/DP CPU versions prior to V3.X.17, update to version V3.X.17 or later. For SIMATIC ET 200S IM151-8F PN/DP CPU versions prior to V3.X.17, update to version V3.X.17 or later. For SIMATIC S7-1200 CPU family (incl. SIPLUS variants) versions prior to V4.1, update to version V4.1 or later. For SIMATIC S7-300 CPU 314C-2 PN/DP versions prior to V3.X.17, update to version V3.X.17 or later. For SIMATIC S7-300 CPU 315-2 PN/DP versions prior to V3.X.17, update to version V3.X.17 or later. For SIMATIC S7-300 CPU 315F-2 PN/DP versions prior to V3.X.17, update to version V3.X.17 or later. For SIMATIC S7-300 CPU 315T-3 PN/DP versions prior to V3.X.17, update to version V3.X.17 or later. For SIMATIC S7-300 CPU 317-2 PN/DP versions prior to V3.X.17, update to version V3.X.17 or later. For SIMATIC S7-300 CPU 317F-2 PN/DP versions prior to V3.X.17, update to version V3.X.17 or later. For SIMATIC S7-300 CPU 317T-3 PN/DP versions prior to V3.X.17, update to version V3.X.17 or later. For SIMATIC S7-300 CPU 317TF-3 PN/DP versions prior to V3.X.17, update to version V3.X.17 or later. For SIMATIC S7-300 CPU 319-3 PN/DP versions prior to V3.X.17, update to version V3.X.17 or later. For SIMATIC S7-300 CPU 319F-3 PN/DP versions prior to V3.X.17, update to version V3.X.17 or later. For SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) all versions, update to a version above V6. For SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) all versions, update to a version above V7. For SIMATIC WinAC RTX 2010 all versions, update to a newer version. For SIMATIC WinAC RTX F 2010 all versions, update to a newer version. For SIPLUS ET 200S IM151-8 PN/DP CPU versions prior to V3.X.17, update to version V3.X.17 or later. For SIPLUS ET 200S IM151-8F PN/DP CPU versions prior to V3.X.17, update to version V3.X.17 or later. For SIPLUS S7-300 CPU 314C-2 PN/DP versions prior to V3.X.17, update to version V3.X.17 or later. For SIPLUS S7-300 CPU 315-2 PN/DP versions prior to V3.X.17, update to version V3.X.17 or later. For SIPLUS S7-300 CPU 315F-2 PN/DP versions prior to V3.X.17, update to version V3.X.17 or later. For SIPLUS S7-300 CPU 317-2 PN/DP versions prior to V3.X.17, update to version V3.X.17 or later. For SIPLUS S7-300 CPU 317F-2 PN/DP versions prior to V3.X.17, update to version V3.X.17 or later.

Fix

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2019-13940

Affected Products

Simatic Et 200S Im151-8F Pn/Dp Cpu

Simatic Et 200Pro Im154-8F Pn/Dp Cpu

Simatic S7-1200 Cpu

Simatic S7-300 Cpu 314C-2 Pn/Dp

Simatic S7-300 Cpu 315F-2 Pn/Dp

Simatic S7-300 Cpu 315T-3 Pn/Dp

Simatic S7-300 Cpu 317F-2 Pn/Dp

Simatic S7-300 Cpu 317Tf-3 Pn/Dp

Simatic S7-300 Cpu 319F-3 Pn/Dp

Simatic S7-400 Pn Cpu

Simatic Winac Rtx 2010

Siplus Et 200S Im151-8F Pn/Dp Cpu

Siplus S7-300 Cpu 314C-2 Pn/Dp

Siplus S7-300 Cpu 315-2 Pn/Dp

Siplus S7-300 Cpu 317-2 Pn/Dp

References · 3

• https://cert-portal.siemens.com/productcert/pdf/ssa-431678.pdf · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-13940 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-13940 · Security Note