Security readout for executives and security teams
Plain-English summary
This issue weakens password transmission security in Dígitro NGC Explorer by relying on client-side enforcement for behavior that should be protected server-side. A remote attacker could potentially manipulate that flow, but the public sources describe exploitation as difficult and high complexity.
Executive priority
Treat this as a targeted product remediation item, not an emergency internet-wide vulnerability. Upgrade confirmed deployments promptly, especially where remote access exists, because password-handling weaknesses can undermine trust even when exploitation is difficult.
Technical view
CVE-2025-4527 is mapped to CWE-602: client-side enforcement of server-side security. The affected component is the NGC Explorer Password Transmission Handler. The CVSS 4.0 score is 6.3, with network attack vector, no privileges, no user interaction, high complexity, and low confidentiality impact.
Likely exposure
Exposure appears limited to organizations running Dígitro NGC Explorer, especially versions up to 3.44.15 or 3.48.21. The source identifies a remotely reachable Password Transmission Handler, but does not describe default exposure, internet-facing posture, or specific configurations. Asset inventory and vendor release data are needed to confirm.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. The CVSS vector records exploit maturity as proof-of-concept, while the narrative states exploitation is difficult and high complexity. No exploit steps or reliable attack procedure are provided here.
Researcher notes
There is a source inconsistency: the affected version list includes 3.48.22, while the description says upgrading to 3.48.22 resolves the issue. Use vendor or CTIR guidance to resolve this before asserting final exposure. Public details do not identify the exact vulnerable function.
Mitigation direction
- Upgrade affected NGC Explorer deployments to version 3.48.22 as stated in the advisory text.
- Check Dígitro and CTIR guidance for any later corrections or operational recommendations.
- Prioritize systems where NGC Explorer authentication or password flows are remotely reachable.
- Monitor vendor advisories for clarification on affected version ranges and fixed builds.
Validation and detection
- Inventory Dígitro NGC Explorer versions across production and support environments.
- Confirm whether any deployment runs 3.44.0-3.44.15 or 3.48.0-3.48.21.
- Verify the Password Transmission Handler is no longer exposed on upgraded systems.
- Review logs for unusual password-flow errors or anomalous remote access attempts.
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-602: 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 lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2025-4527 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
- Medium
- CVSS
- 6.3 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
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
4 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:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P——VulDBCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C2.21.4VulDBCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C2.21.4VulDBAV:N/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:OF/RC:C4.92.9VulDBVulnerability scoring details
Base CVSS 4.0 score
6.3MediumVector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
Base CVSS 3.1 score
3.7LowVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
Base CVSS 3.0 score
3.7LowVector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
Base CVSS 2.0 score
2.6LowVector: AV:N/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:OF/RC:C
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- Source timelineVulDB
Advisory disclosed
- Source timelineVulDB
VulDB entry created
- 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.
- Source timelineVulDB
VulDB entry last update
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- VDB-308272 | Dígitro NGC Explorer Password Transmission client-side enforcement of server-side securityCVE reference, VulDB · vdb-entry, technical-description
- VDB-308272 | CTI Indicators (IOB, IOC)CVE reference, VulDB · signature, permissions-required
- Submit #565308 | Dígitro NGC Explorer 3.44.15 Improper client-side encryption implementationCVE reference, VulDB · third-party-advisory
- https://digitro.com/recomendacao-10-2026-ctir-gov/CVE reference, VulDB · patch
- https://www.gov.br/ctir/pt-br/assuntos/alertas-e-recomendacoes/recomendacoes/2026/recomendacao-10-2026CVE reference, VulDB · related
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.
Client-Side Enforcement of Server-Side Security
Client-Side Enforcement of Server-Side Security represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.