Security readout for executives and security teams
Plain-English summary
CVE-2016-4527 concerns ABB PCM600 versions before 2.7 storing authentication credentials improperly. A local user on an affected system could obtain sensitive information. The available source bundle does not provide CVSS scoring, exploit details, or confirmed real-world exploitation.
Executive priority
Treat as an OT workstation credential exposure concern. Prioritize environments where PCM600 systems are shared, remotely accessible, or used to manage sensitive protection and control assets.
Technical view
The CVE describes insecure storage of PCM600 authentication credentials in ABB PCM600 before 2.7. Access is local, and the vector is unspecified in the supplied record. No CWE, CVSS vector, or affected CPE list is provided, limiting technical certainty.
Likely exposure
Exposure is most likely on engineering or maintenance workstations with ABB PCM600 installed below version 2.7. Risk depends on local user access and whether sensitive relay or system credentials are stored there.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. The described attacker position is local user access, so this is more relevant after workstation compromise, shared workstation use, or weak local access control.
Researcher notes
Evidence is sparse. The CVE identifies ABB PCM600 before 2.7 and local sensitive information exposure through unspecified vectors, but provides no CVSS, CWE, CPE, exploit status, or detailed technical mechanism in the supplied bundle.
Mitigation direction
- Inventory ABB PCM600 installations and identify versions below 2.7.
- Check ABB or ICS-CERT guidance before applying any remediation.
- Upgrade to PCM600 2.7 or later if vendor guidance confirms applicability.
- Restrict local interactive access to PCM600 workstations.
- Review and rotate credentials that may have been exposed.
Validation and detection
- Confirm installed PCM600 version on engineering workstations.
- Verify whether PCM600 authentication credentials are stored on affected systems.
- Review local user accounts and workstation access history.
- Check whether compensating controls restrict local access.
- Document remediation status for each affected workstation.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2016-4527 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://ics-cert.us-cert.gov/advisories/ICSA-16-152-02CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.