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No exploitation reportedFix available

CVE-2018-8872

No exploitation reported by the sources we read.

  • Published2018-05-04
  • WeaknessCWE-119

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

In Schneider Electric Triconex Tricon MP model 3008 firmware versions 10.0-10.4, system calls read directly from memory addresses within the control program area without any verification. Manipulating this data could allow attacker data to be copied anywhere within memory.

Timeline

dates in UTC
  1. 2018-05-0417:29CVE publishedNVD

Versions per branch

NVD
Schneider-electric triconex tricon mp 3008 firmwareversion to verify
BranchAffectedFixed in
10.x≥ 10.0, ≤ 10.4no fix published

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-18-107-02 CISA1 known affected

    Schneider Electric Triconex Tricon

    MP Model 3008: >= 10.0 | <= 10.4

Full record on NVD

Fix

  1. Vendor fix CISA ICSA-18-107-02 · 1 productSchneider Electric strongly recommends that users upgrade to the latest Triconex Tricon CX version. Tricon CX v11.4 is now available and is compliant with the IEC 62443 cybersecurity standard and includes multiple security enhancements that meet the challenges posed by HatMan malware techniques and…
  2. Mitigation from the vendor CISA ICSA-18-107-02 · 1 productSchneider Electric has released the following security notification: https://www.schneider-electric.com/en/download/document/SEVD-2017-347-01/
  3. Mitigation from the vendor CISA ICSA-18-107-02 · 1 productDetect and Respond: Triconex users should contact their local Schneider Electric office for assistance. With this engagement, Schneider Electric will gather data from each Tricon safety system installation, analyze for the presence of the malware, and carry out any necessary malware removal procedu…
  4. Mitigation from the vendor CISA ICSA-18-107-02 · 1 productDetect and Respond: For users who choose to gather data from each Tricon safety system installation on their own, instructions and support material is available for download via the Schneider Electric Process Automation customer support portal (login required). The data will still need to be sent t…
  5. Mitigation from the vendor CISA ICSA-18-107-02 · 1 productDetect and Respond: Once Schneider Electric has analyzed this data, Triconex users will receive a report for each Tricon system analyzed. This report will advise whether the malware was detected, and what the next steps are to remove the malware if detected.A YARA rule that matches the binary compo…
  6. Mitigation from the vendor CISA ICSA-18-107-02 · 1 productDefend: The HatMan malware requires unrestricted access to the safety network via remote network or physical access. Additionally, the malware requires the Tricon key switch to be in the "PROGRAM" mode to successfully deploy its payload.

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.08.1read 2026-10-23
  • NVDCVSS 2.09.3read 2026-10-23
  • CNAweakness (CWE)CWE-119known since 2026-10-23
  • NVDweakness (CWE)CWE-119read 2026-10-23
  • FIRST EPSSEPSS score2.2 %2026-11-09
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2018-05-04
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-ggm5-5h63-2mvr

Frequently asked questions

What is CVE-2018-8872?

In Schneider Electric Triconex Tricon MP model 3008 firmware versions 10.0-10.4, system calls read directly from memory addresses within the control program area without any verification. Manipulating this data could allow attacker data to be copied anywhere within memory.

Is CVE-2018-8872 actively exploited?

Active exploitation of CVE-2018-8872 has not been confirmed. Its EPSS score was 2.2% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-8872?

CVE-2018-8872 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

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