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CVE Record

CVE-2023-37598: A Cross Site Request Forgery (CSRF) vulnerability in issabel-pbx v.4.0.0-6 allows a remote attacker to caus...

A Cross Site Request Forgery (CSRF) vulnerability in issabel-pbx v.4.0.0-6 allows a remote attacker to cause a denial of service via the delete new virtual fax function.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2023-37598 is reported as a CSRF flaw in Issabel PBX v4.0.0-6. If a valid user is tricked into making an unwanted request, an attacker may cause denial of service through the virtual fax deletion function. Business risk is service disruption, but public scoring and vendor remediation details are incomplete.

Executive priority

Treat this as a targeted operational risk for organizations running Issabel PBX. Prioritize validation if PBX availability supports customer calls, fax workflows, or internal communications. Urgency is constrained by missing severity, patch, and exploitation evidence.

Technical view

The CVE record describes a cross-site request forgery issue affecting issabel-pbx v4.0.0-6, tied to the delete new virtual fax function. The record does not provide CVSS, CWE, CPE, patch, or detailed affected-version metadata. Analysis should treat the GitHub reference as public technical context, not proof of active exploitation.

Likely exposure

Exposure is most likely where Issabel PBX v4.0.0-6 is deployed and its web management interface is reachable by users with active sessions. The source bundle does not identify CPEs, additional versions, cloud exposure patterns, or default configuration requirements.

Exploitation context

CISA KEV status is false in the provided bundle, and no cited source states active exploitation. A public GitHub reference exists, but the bundle does not establish exploit prevalence, attacker use, authentication context, or whether a vendor fix exists.

Researcher notes

The public record is sparse: no CVSS vector, CWE mapping, CPEs, or official patch reference are present in the bundle. The description names issabel-pbx v4.0.0-6 and a virtual fax deletion DoS path. Avoid expanding scope beyond that evidence.

Mitigation direction

  • Check Issabel PBX vendor guidance for fixed versions or official workarounds.
  • Restrict PBX administrative web access to trusted networks or VPN.
  • Limit privileged web sessions and review who can manage virtual fax functions.
  • Disable unused virtual fax functionality if business operations allow.
  • Monitor for unexpected virtual fax deletions or related service disruption.

Validation and detection

  • Inventory Issabel PBX deployments and confirm whether v4.0.0-6 is present.
  • Verify whether the PBX web interface is internet-reachable or broadly accessible internally.
  • Check whether virtual fax functionality is enabled and used.
  • Review PBX logs for unexpected virtual fax deletion activity or service interruption.
  • Confirm current vendor patch or advisory status before remediation decisions.
Prepared
Confidence
medium
Sources
3

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

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CVE-2023-37598 mapping review

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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
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

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.