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CVE Record

CVE-2025-5519: Information Disclosure in ArgusTech's BILGER

Insertion of Sensitive Information Into Sent Data vulnerability in ArgusTech BILGER allows Choosing Message Identifier. This issue affects BILGER: before 2.4.6.

MediumCVSS 6.5Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2025-5519 is a medium-severity information disclosure issue in ArgusTech BILGER before 2.4.6. A network attacker needs no login or user interaction, but the published impact is limited confidentiality loss and limited availability impact. Treat internet-facing or externally reachable deployments as the priority.

Executive priority

Prioritize this as a near-term patching and exposure-reduction item, especially for externally reachable BILGER systems. It is not currently evidenced as actively exploited, but the unauthenticated network attack conditions make delayed remediation harder to justify.

Technical view

The CVE describes CWE-201: sensitive information inserted into sent data. It affects ArgusTech BILGER versions before 2.4.6 and is associated with “Choosing Message Identifier.” CVSS 3.1 is 6.5: network-accessible, low complexity, no privileges, no user interaction, unchanged scope, low confidentiality impact, no integrity impact, and low availability impact.

Likely exposure

Exposure is limited to organizations running ArgusTech BILGER before 2.4.6. Risk is higher where BILGER is reachable from untrusted networks. The source bundle does not identify specific modules, deployment modes, default configurations, or CPEs, so product inventory is required to confirm exposure.

Exploitation context

The source bundle does not cite active exploitation, and the CVE is not marked as CISA KEV. The CVSS vector indicates exploitation is remotely reachable and low complexity without authentication, but no public exploit details or exploitation evidence are provided in the supplied sources.

Researcher notes

The public data is sparse. Key missing details include affected components, exact data exposed, vendor mitigation text, and reliable exploit observations. Validation should focus on version confirmation, reachable attack surface, and whether local telemetry can identify abnormal message identifier usage.

Mitigation direction

  • Upgrade BILGER deployments from pre-2.4.6 to 2.4.6 or later.
  • Check ArgusTech or government advisory guidance before applying compensating controls.
  • Restrict BILGER access to trusted networks where immediate upgrade is not possible.
  • Review outbound data handling around BILGER message identifiers if operationally feasible.

Validation and detection

  • Inventory all ArgusTech BILGER instances and record exact versions.
  • Confirm whether any instance runs a version before 2.4.6.
  • Map which BILGER interfaces are reachable from untrusted networks.
  • Verify upgraded systems report version 2.4.6 or later.
  • Review relevant logs for unusual message identifier activity, if logged.
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-201: Information exposure and cloud metadata lookup

Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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-2025-5519 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
6.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

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: 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
6.5CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L3.92.5TR-CERT

Vulnerability scoring details

Base CVSS 3.1 score

6.5Medium
CVSS 3.1 vector shape for CVE-2025-5519Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
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
ArgusTechBILGER0unaffected
Weakness

CWE details

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

CWE-201 · source CWE mapping

Insertion of Sensitive Information Into Sent Data

Insertion of Sensitive Information Into Sent Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.