Security readout for executives and security teams
Plain-English summary
A read-only Industrial HiVision user could improperly make configuration changes to managed devices. For an industrial network tool, that turns a supposedly limited account into a change-capable account, creating business risk around unauthorized network changes, outages, or weakened controls.
Executive priority
Treat as a high-priority remediation item for industrial environments using Industrial HiVision, especially where read-only accounts are broadly assigned or management interfaces are reachable beyond a restricted admin network.
Technical view
CVE-2017-20238 is a CWE-285 improper authorization issue in Hirschmann Industrial HiVision 06.0.00 and 07.0.00 before 06.0.06 and 07.0.01. The CVSS 3.1 score is 7.1: network-accessible, low complexity, low privileges required, no user interaction, with high integrity impact.
Likely exposure
Exposure is most relevant where Hirschmann Industrial HiVision is deployed and read-only accounts can reach management interfaces. The source data points to versions before 06.0.06 and 07.0.01, although the affected-version list appears inconsistent.
Exploitation context
The provided sources describe privilege escalation from read-only access to write access through access-control bypasses. CISA KEV is false, and the supplied sources do not state active exploitation in the wild.
Researcher notes
Do not overstate scope: the bundle names Industrial HiVision and fixed versions, but the affected array is noisy. Validation should focus on exact installed versions, account roles, reachable management interfaces, and evidence of unauthorized configuration writes.
Mitigation direction
- Upgrade Industrial HiVision to 06.0.06, 07.0.01, or later per Belden guidance.
- Review Belden’s advisory for version-specific remediation instructions.
- Restrict access to Industrial HiVision management interfaces to trusted administrators.
- Audit read-only accounts and remove unnecessary access.
- Monitor for unexpected configuration changes on managed devices.
Validation and detection
- Inventory all Hirschmann Industrial HiVision deployments and record exact versions.
- Confirm whether any instance runs 06.0.00, 07.0.00, or earlier vulnerable builds.
- Review permissions for read-only users with access to managed devices.
- Check change logs for configuration modifications by restricted accounts.
- Verify upgraded systems enforce read-only restrictions across supported interfaces.
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.
CWE-285: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-20238 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
- High
- CVSS
- 7.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
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.
SSVC decision data
CVSS vector scores
2 official scoresWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N2.84.2VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
7.1HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
Base CVSS 3.1 score
7.1HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://assets.belden.com/m/7cc5d59343125b25/original/Security-Bulletin-Restricted-User-Roles-Write-Access-HiVision-2017-01.pdfCVE reference, VulnCheck · vendor-advisory
- https://www.vulncheck.com/advisories/hirschmann-industrial-hivision-improper-authorization-privilege-escalationCVE reference, VulnCheck
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.
Improper Authorization
Improper Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.