Security readout for executives and security teams
Plain-English summary
This flaw affects several Black Box AlertWerks ServSensor models running firmware before SP473. A remote user who already has authenticated access may be able to discover administrator and user passwords. That could turn limited device access into broader control of environmental monitoring equipment or reused credentials elsewhere.
Executive priority
Prioritize remediation for deployed affected devices because password disclosure can convert ordinary authenticated access into administrator compromise. Urgency is lower than unauthenticated internet-exposed flaws, but legacy operational devices often remain unpatched and may hold reused credentials.
Technical view
CVE-2016-2311 is a credential disclosure issue in AlertWerks ServSensor, ServSensor Junior, ServSensor Junior with PoE, and ServSensor Contact firmware before SP473. The CVE states remote authenticated users can discover administrator and user passwords through unspecified vectors. No CVSS, CWE, or detailed mechanism is provided in the source bundle.
Likely exposure
Exposure is most likely where affected ServSensor devices are still running firmware before SP473 and allow remote management by multiple users. Risk increases if the management interface is reachable from broader internal networks or if device passwords are reused across systems.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The vulnerability requires authenticated remote access according to the CVE description. The exact vector is unspecified, so validation should focus on firmware version, account access, and credential handling rather than exploit reproduction.
Researcher notes
Evidence is sparse. The CVE identifies affected models, firmware threshold, and authenticated password discovery, but not the vulnerable component, exploit primitive, CVSS score, or CWE. Avoid assuming unauthenticated exploitation, public exploit availability, or specific payload behavior from the provided record.
Mitigation direction
- Inventory AlertWerks ServSensor devices and identify firmware versions.
- Upgrade affected devices to firmware SP473 or later, following vendor guidance.
- Restrict management access to trusted administrative networks only.
- Review device accounts and remove unnecessary authenticated users.
- Rotate device passwords after remediation, especially if reused elsewhere.
Validation and detection
- Confirm whether any listed AlertWerks ServSensor model is deployed.
- Verify each device firmware is SP473 or later.
- Review remote management exposure and access-control scope.
- Check whether shared or reused passwords exist on affected devices.
- Document remediation status and compensating controls for legacy devices.
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-2016-2311 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-16-147-03CVE 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.