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CVE Record

CVE-2024-4259: Sensetive Data Exposure in SAMPAS's AKOS

Missing Authorization vulnerability in SAMPAŞ Holding AKOS (AkosCepVatandasService), SAMPAŞ Holding AKOS (TahsilatService) allows Collect Data as Provided by Users. This issue affects AKOS (AkosCepVatandasService): before V2.0; AKOS (TahsilatService): before V1.0.7.

MediumCVSS 6.9Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

AKOS service endpoints may expose user-provided data because authorization checks are missing. Organizations using affected SAMPAŞ Holding AKOS components should treat this as a privacy and trust risk, especially where citizen or payment-service data is processed.

Executive priority

Prioritize remediation for internet-facing AKOS deployments or systems handling citizen or payment-related data. This is not rated critical, but unauthenticated data exposure can create regulatory, reputational, and operational consequences.

Technical view

CVE-2024-4259 is a CWE-862 missing authorization issue in AKOS AkosCepVatandasService before V2.0 and TahsilatService before V1.0.7. The CVSS 4.0 score is 6.9, with network attack vector, low complexity, no privileges, and no user interaction required.

Likely exposure

Exposure is limited to organizations running the named SAMPAŞ Holding AKOS services below the stated versions. The sources do not identify cloud, appliance, or default deployment details.

Exploitation context

The source bundle does not cite active exploitation, and the CVE is not marked as CISA KEV. The scoring indicates remote unauthenticated reachability, but no public exploit details are provided.

Researcher notes

Evidence is sparse beyond the CVE record and government advisory references. Avoid assuming specific data fields, exploit maturity, or patch mechanics beyond the stated affected versions and missing authorization classification.

Mitigation direction

  • Identify whether AKOS AkosCepVatandasService or TahsilatService is deployed.
  • Upgrade AkosCepVatandasService to V2.0 or later where applicable.
  • Upgrade TahsilatService to V1.0.7 or later where applicable.
  • Review SAMPAŞ Holding or Turkish government guidance for any deployment-specific instructions.
  • Restrict external access to affected services until authorization behavior is confirmed.

Validation and detection

  • Inventory AKOS service names and versions across production and staging environments.
  • Confirm exposed endpoints require authorization before returning user-provided data.
  • Review access logs for unusual unauthenticated data collection patterns.
  • Check vendor or government advisories for corrected version confirmation.
  • Document affected systems, remediation dates, and residual compensating controls.
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 · medium confidence lookup

CWE-862: Authorization and privilege behavior lookup

Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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
cve · low confidence lookup

CVE-2024-4259 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
Medium
CVSS
6.9 (4.0)
Known Exploited
No
Published

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/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: yesTechnical Impact: partial

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
6.9CVSS 4.0MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:NTR-CERT

Vulnerability scoring details

Base CVSS 4.0 score

6.9Medium
CVSS 4.0 vector shape for CVE-2024-4259Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/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
SAMPAŞ HoldingAKOS (AkosCepVatandasService)0unaffected
SAMPAŞ HoldingAKOS (TahsilatService)0unaffected
Weakness

CWE details

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

CWE-862 · source CWE mapping

Missing Authorization

Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.