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CVE-2025-52579 Emerson CVE debrief

CVE-2025-52579 is a critical information-disclosure issue in Emerson ValveLink products. According to the CISA CSAF advisory, sensitive data was stored in cleartext in memory and could be written to disk, captured in a core dump, or remain uncleared after a crash or improper free. Emerson advises updating affected ValveLink products to version 14.0 or later.

Vendor
Emerson
Product
ValveLink SOLO
CVSS
CRITICAL 9.4
CISA KEV
Not listed in stored evidence
Original CVE published
2025-07-08
Original CVE updated
2025-07-08
Advisory published
2025-07-08
Advisory updated
2025-07-08

Who should care

Industrial control system operators, OT security teams, and administrators responsible for Emerson ValveLink SOLO, DTM, PRM, or SNAP-ON deployments, especially any environment running versions earlier than 14.0.

Technical summary

The advisory describes a memory-handling flaw rather than a classic remote code execution issue. Sensitive information is kept in cleartext in process memory, which increases the chance of unintended disclosure if the operating system swaps memory to disk, the application crashes and produces a core dump, or the program frees memory without clearing it first. The affected scope in the CSAF includes ValveLink SOLO, DTM, PRM, and SNAP-ON versions earlier than 14.0.

Defensive priority

High. The issue is scored CVSS 3.1 9.4 and affects confidentiality in industrial software that may handle sensitive operational data. Prioritize patching affected systems and review local handling of crash dumps, swap, and memory sanitization until upgrades are complete.

Recommended defensive actions

  • Upgrade Emerson ValveLink software to version 14.0 or later for all affected products.
  • Inventory installations of ValveLink SOLO, DTM, PRM, and SNAP-ON to confirm whether any versions earlier than 14.0 are present.
  • Review system settings and operational procedures for crash dumps, core dumps, and swap/page-file handling to reduce unintended exposure of sensitive data.
  • Follow CISA industrial control system recommended practices while planning and validating the upgrade.
  • If immediate upgrading is not possible, limit access to affected hosts, logs, dumps, and other local artifacts that may contain sensitive memory contents.

Evidence notes

CISA’s CSAF advisory ICSA-25-189-01 states that the product stores sensitive information in cleartext in memory and that the memory might be saved to disk, stored in a core dump, or remain uncleared after a crash or improper free. The advisory lists Emerson ValveLink SOLO, DTM, PRM, and SNAP-ON as affected products and recommends upgrading to ValveLink 14.0 or later. The supplied CVSS vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L, matching the high-severity classification in the source corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-52579 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-52579

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-52579 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-52579

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-189-01.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-25-189-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/resources-tools/resources/ics-recommended-practices

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/topics/industrial-control-systems

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B

    Reference

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.