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CVE Record

CVE-2024-6921: Cleartext Username and Password in NAC Telecommunication's NACPremium

Cleartext Storage of Sensitive Information vulnerability in NAC Telecommunication Systems Inc. NACPremium allows Retrieve Embedded Sensitive Data. This issue affects NACPremium: through 01082024.

HighCVSS 8.7Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

NACPremium reportedly stores usernames and passwords in cleartext, allowing a low-privileged user to retrieve embedded sensitive data. If those credentials protect network or telecom management functions, exposure could lead to broader compromise. Public sources do not identify a specific patch or confirm active exploitation.

Executive priority

Treat as a high-priority credential exposure issue for any environment running NACPremium. Prioritize inventory, vendor guidance, access restriction, and credential rotation. Urgency increases if NACPremium manages critical telecom or access-control infrastructure.

Technical view

CVE-2024-6921 is CWE-312 in NAC Telecommunication Systems Inc. NACPremium through 01082024. CVSS 4.0 is 8.7 high: network attack vector, low complexity, low privileges, no user interaction, with high vulnerable-system confidentiality, integrity, and availability impact. The record describes cleartext storage of sensitive information and retrieval of embedded sensitive data.

Likely exposure

Organizations using NACPremium versions/builds through 01082024 are the likely exposure group. Risk is highest where low-privileged accounts exist, interfaces are network-accessible, or stored credentials have access to sensitive telecom, NAC, or administrative systems.

Exploitation context

The CVE record indicates exploitation requires network access and low privileges, with no user interaction. CISA KEV is not indicated in the provided data, and the cited sources do not confirm active exploitation or public exploit availability.

Researcher notes

Public detail is limited. The CVE description names cleartext storage and retrieval of embedded sensitive data but does not provide affected CPEs, patch version, exploit indicators, or technical root-cause detail. Avoid assuming affected configurations beyond NACPremium through 01082024.

Mitigation direction

  • Identify all NACPremium deployments and their exact version or build date.
  • Check NAC Telecommunication and cited government advisories for approved fixes or upgrade guidance.
  • If affected, plan upgrade or vendor-recommended remediation promptly.
  • Rotate credentials that may have been stored or embedded in cleartext.
  • Restrict network access to NACPremium management interfaces until remediated.
  • Review least-privilege settings for all NACPremium user accounts.

Validation and detection

  • Confirm whether each deployment is NACPremium through 01082024.
  • Review vendor or government advisory details for affected build identifiers.
  • Check for cleartext credentials in application storage using approved internal procedures.
  • Assess whether exposed credentials grant access to other systems.
  • Review logs for unusual low-privileged account access to sensitive configuration data.
  • Verify credential rotation after remediation is complete.
Prepared
Confidence
medium
Sources
4

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.

cwe · low confidence lookup

CWE-312: 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 lookup
description · low confidence lookup

Credential 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 lookup
cve · low confidence lookup

CVE-2024-6921 mapping review

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

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
8.7 (4.0)
Known Exploited
No
Published

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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.

1CVSS vectors
3Timeline events
1ADP providers
3Source links

SSVC decision data

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

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
8.7CVSS 4.0HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NTR-CERT

Vulnerability scoring details

Base CVSS 4.0 score

8.7High
CVSS 4.0 vector shape for CVE-2024-6921Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Attack Requirements
NonePresent
Privileges Required
NoneLowHigh
User Interaction
NonePassiveActive
VS Confidentiality
HighLowNone
VS Integrity
HighLowNone
VS Availability
HighLowNone
SS Confidentiality
HighLowNone
SS Integrity
HighLowNone
SS Availability
HighLowNone

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. CVE updatedCVE Program

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

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
NAC Telecommunication Systems Inc.NACPremium0unaffected
Weakness

CWE details

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

CWE-312 · source CWE mapping

Cleartext Storage of Sensitive Information

Cleartext Storage of Sensitive Information represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.