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CVE Record

CVE-2023-39807: N.V.K.INTER CO., LTD.

N.V.K.INTER CO., LTD. (NVK) iBSG v3.5 was discovered to contain a SQL injection vulnerability via the a_passwd parameter at /portal/user-register.php.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2023-39807 is a reported SQL injection in NVK iBSG v3.5. The issue is tied to the a_passwd parameter on /portal/user-register.php, which suggests risk around registration data handling. The source bundle does not provide CVSS, confirmed fixes, or active exploitation evidence.

Executive priority

Prioritize asset identification and exposure reduction for any public iBSG v3.5 deployment. Without CVSS, KEV status, or vendor fix details, this is a triage item requiring prompt verification rather than a confirmed emergency.

Technical view

The CVE description identifies SQL injection in N.V.K.INTER CO., LTD. iBSG v3.5 via a_passwd at /portal/user-register.php. Structured affected-product metadata is incomplete, listing vendor/product as n/a despite the description naming iBSG v3.5. No CWE, CVSS vector, patch detail, or exploit confirmation is provided.

Likely exposure

Likely exposure is limited to organizations running NVK iBSG v3.5, especially if /portal/user-register.php is internet-accessible. Exposure cannot be broadened to other versions or products from the provided evidence.

Exploitation context

The source bundle does not show CISA KEV listing or confirmed active exploitation. A public researcher write-up is referenced, so defenders should assume technical details may be publicly discoverable, but not treat exploitation as confirmed from these sources.

Researcher notes

Evidence is sparse. The strongest technical claim is the CVE description naming SQL injection in a_passwd on /portal/user-register.php. Avoid extrapolating impact, authentication requirements, exploit reliability, or affected versions beyond iBSG v3.5 unless additional sources confirm them.

Mitigation direction

  • Identify any deployed NVK iBSG v3.5 instances.
  • Check NVK or maintainer guidance for patches or official mitigations.
  • Restrict public access to /portal/user-register.php where business processes allow.
  • Review registration workflows for input validation and parameterized database access.
  • Monitor web and database logs for suspicious registration activity.

Validation and detection

  • Confirm whether NVK iBSG v3.5 is present in the environment.
  • Determine whether /portal/user-register.php is reachable by unauthenticated users.
  • Review application logs for abnormal requests involving the registration endpoint.
  • Check vendor notices or support channels for fixed versions.
  • Document compensating controls if no vendor fix is available.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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.

description · low confidence lookup

Database behavior lookup

The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2023-39807 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
4Timeline events
2ADP providers
3Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: total

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. ADP timelineCVE

    Previously entered references were removed because they are not applicable to this CVE Record.

  4. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CVECVE Program Container
  • 2026-07-08T22:21:05.413Z: Previously entered references were removed because they are not applicable to this CVE Record.
CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.