CVE-2018-4832

Name: CVE-2018-4832
Creator: NVD / NIST
Published: 2018-04-24T17:29:00.227+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.47%

Last modified Jun 17, 2026

CVE-2018-4832 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability has been identified in OpenPCS 7 V7.1 and earlier (All versions), OpenPCS 7 V8.0 (All versions), OpenPCS 7 V8.1 (All versions < V8.1 Upd5), OpenPCS 7 V8.2 (All versions), OpenPCS 7 V9.0 (All versions < V9.0 Upd1), SIMATIC BATCH V7.1 and earlier (All versions), SIMATIC BATCH V8.0 (All versions < V8.0 SP1 Upd21), SIMATIC BATCH V8.1 (All versions < V8.1 SP1 Upd16), SIMATIC BATCH V8.2 (All versions < V8.2 Upd10), SIMATIC BATCH V9.0 (All versions < V9.0 SP1), SIMATIC NET PC Software V14 (All versions < V14 SP1 Update 14), SIMATIC NET PC Software V15 (All versions < 15 SP1), SIMATIC PCS 7 V7.1 and earlier (All versions), SIMATIC PCS 7 V8.0 (All versions), SIMATIC PCS 7 V8.1 (All versions), SIMATIC PCS 7 V8.2 (All versions < V8.2 SP1), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP1), SIMATIC Route Control V7.1 and earlier (All versions), SIMATIC Route Control V8.0 (All versions), SIMATIC Route Control V8.1 (All versions), SIMATIC Route Control V8.2 (All versions), SIMATIC Route Control V9.0 (All versions < V9.0 Upd1), SIMATIC WinCC Runtime Professional V13 (All versions < V13 SP2 Upd2), SIMATIC WinCC Runtime Professional V14 (All versions < V14 SP1 Upd5), SIMATIC WinCC V7.2 and earlier (All versions < WinCC 7.2 Upd 15), SIMATIC WinCC V7.3 (All versions < WinCC 7.3 Upd 16), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Upd 4), SPPA-T3000 Application Server (All versions < Service Pack R8.2 SP2). Specially crafted messages sent to the RPC service of the affected products could cause a Denial-of-Service condition on the remote and local communication functionality of the affected products. EPSS estimates a 2.47% chance of exploitation in the next 30 days.

Description

A vulnerability has been identified in OpenPCS 7 V7.1 and earlier (All versions), OpenPCS 7 V8.0 (All versions), OpenPCS 7 V8.1 (All versions < V8.1 Upd5), OpenPCS 7 V8.2 (All versions), OpenPCS 7 V9.0 (All versions < V9.0 Upd1), SIMATIC BATCH V7.1 and earlier (All versions), SIMATIC BATCH V8.0 (All versions < V8.0 SP1 Upd21), SIMATIC BATCH V8.1 (All versions < V8.1 SP1 Upd16), SIMATIC BATCH V8.2 (All versions < V8.2 Upd10), SIMATIC BATCH V9.0 (All versions < V9.0 SP1), SIMATIC NET PC Software V14 (All versions < V14 SP1 Update 14), SIMATIC NET PC Software V15 (All versions < 15 SP1), SIMATIC PCS 7 V7.1 and earlier (All versions), SIMATIC PCS 7 V8.0 (All versions), SIMATIC PCS 7 V8.1 (All versions), SIMATIC PCS 7 V8.2 (All versions < V8.2 SP1), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP1), SIMATIC Route Control V7.1 and earlier (All versions), SIMATIC Route Control V8.0 (All versions), SIMATIC Route Control V8.1 (All versions), SIMATIC Route Control V8.2 (All versions), SIMATIC Route Control V9.0 (All versions < V9.0 Upd1), SIMATIC WinCC Runtime Professional V13 (All versions < V13 SP2 Upd2), SIMATIC WinCC Runtime Professional V14 (All versions < V14 SP1 Upd5), SIMATIC WinCC V7.2 and earlier (All versions < WinCC 7.2 Upd 15), SIMATIC WinCC V7.3 (All versions < WinCC 7.3 Upd 16), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Upd 4), SPPA-T3000 Application Server (All versions < Service Pack R8.2 SP2). Specially crafted messages sent to the RPC service of the affected products could cause a Denial-of-Service condition on the remote and local communication functionality of the affected products. A reboot of the system is required to recover the remote and local communication functionality. Please note that an attacker needs to have network access to the Application Server in order to exploit this vulnerability. At the time of advisory publication no public exploitation of this security vulnerability was known.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

2.47%

82.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Siemens	Openpcs 7	<= 7.1
Siemens	Openpcs 7	8.0
Siemens	Openpcs 7	8.1
Siemens	Openpcs 7	8.2
Siemens	Openpcs 7	9.0
Siemens	Simatic Batch	7.1
Siemens	Simatic Batch	8.0
Siemens	Simatic Batch	8.1
Siemens	Simatic Batch	8.2
Siemens	Simatic Batch	9.0
Siemens	Simatic Net Pc	< 15
Siemens	Simatic Net Pc	15
Siemens	Simatic Pcs 7	<= 7.1
Siemens	Simatic Pcs 7	8.0
Siemens	Simatic Pcs 7	8.1
Siemens	Simatic Pcs 7	8.2
Siemens	Simatic Pcs 7	9.0
Siemens	Simatic Route Control	<= 7.1
Siemens	Simatic Route Control	8.0
Siemens	Simatic Route Control	8.1
Siemens	Simatic Route Control	9.0
Siemens	Simatic Wincc Runtime Professional	< 13
Siemens	Simatic Wincc Runtime Professional	13
Siemens	Simatic Wincc Runtime Professional	14
Siemens	Simatic Wincc	< 7.2
Siemens	Simatic Wincc	7.2
Siemens	Simatic Wincc	7.3
Siemens	Simatic Wincc	7.4
Siemens	Sppa-T3000 Application Server	< r8.2
Siemens	Sppa-T3000 Application Server	r8.2
Siemens	Simatic Net Pc Software	< 14.0

References

http://packetstormsecurity.com/files/155665/Siemens-Security-Advisory-SPPA-T3000-Code-Execution.htmlThird Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-348629.pdfMitigation, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-451445.pdfVendor Advisory
http://packetstormsecurity.com/files/155665/Siemens-Security-Advisory-SPPA-T3000-Code-Execution.htmlThird Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-348629.pdfMitigation, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-451445.pdfVendor Advisory

Timeline

Published: Apr 24, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-4832?

How severe is CVE-2018-4832?

CVE-2018-4832 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.47% probability of exploitation in the next 30 days.

How do I fix CVE-2018-4832?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-4832?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST