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No exploitation reportedFix available

CVE-2018-4832

No exploitation reported by the sources we read.

  • Published2018-04-24
  • WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2018-04-2417:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-4832?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-4832?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Siemens openpcs 7
BranchAffectedFixed in
8.1= 8.1no fix published
8.2= 8.2no fix published
9.0= 9.0no fix published
7.1≤ 7.1no fix published
8.0= 8.0no fix published
Siemens simatic batch
BranchAffectedFixed in
7.1= 7.1no fix published
8.0= 8.0no fix published
8.1= 8.1no fix published
8.2= 8.2no fix published
9.0= 9.0no fix published
Siemens simatic pcs 7
BranchAffectedFixed in
7.1≤ 7.1no fix published
8.0= 8.0no fix published
8.1= 8.1no fix published
8.2= 8.2no fix published
9.0= 9.0no fix published

6 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-18-088-03 CISA27 known affected

    Siemens SIMATIC PCS 7, SIMATIC WinCC, SIMATIC WinCC Runtime Professional, and SIMATIC NET PC Software (Update G)

    OpenPCS 7 V7.1 and earlier · OpenPCS 7 V8.0 · OpenPCS 7 V8.1 · +24 more

Full record on NVD

Fix

  1. Vendor fix CISA ICSA-18-088-03 · 1 productUpdate to OpenPCS 7 V8.1 Upd 5 or later version
  2. Vendor fix CISA ICSA-18-088-03 · 2 productsSee remediation for PCS 7 V8.2
  3. Vendor fix CISA ICSA-18-088-03 · 3 productsSee remediation for PCS 7 V9.0
  4. Vendor fix CISA ICSA-18-088-03 · 1 productUpdate to SIMATIC BATCH V8.0 SP1 Upd21 or later version
  5. Vendor fix CISA ICSA-18-088-03 · 1 productUpdate to SIMATIC BATCH V8.1 SP1 Upd16 or later version
  6. Vendor fix CISA ICSA-18-088-03 · 1 productUpdate to SIMATIC BATCH V8.2 Upd10 or later version

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVSS 3.17.5read 2026-10-23
  • NVDCVSS 2.04.3read 2026-10-23
  • CNAweakness (CWE)CWE-20read 2026-10-23
  • NVDweakness (CWE)CWE-20read 2026-10-23
  • FIRST EPSSEPSS score2.4 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2018-04-24
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2018-4832?

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.

Is CVE-2018-4832 actively exploited?

Active exploitation of CVE-2018-4832 has not been confirmed. Its EPSS score was 2.4% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-4832?

CVE-2018-4832 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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