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CVE Record

CVE-2019-9231: An issue was discovered on AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR and 800C-MSBR devices with fi...

An issue was discovered on AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR and 800C-MSBR devices with firmware versions before 7.20A.202.307. A Cross-Site Request Forgery (CSRF) vulnerability in the management web interface allows remote attackers to execute malicious and unauthorized actions, because CSRFProtection=1 is not a default and is not documented.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Some AudioCodes Mediant edge devices exposed administrators to unauthorized management actions through the web interface. If an administrator was authenticated and could be induced into a cross-site request, device settings could be changed without intended approval. The source bundle does not provide a CVSS score or evidence of active exploitation.

Executive priority

Treat this as a targeted remediation item for voice/network edge infrastructure. Prioritize devices with reachable management interfaces or privileged administrative access paths, but do not classify it as emergency based on the provided evidence.

Technical view

CVE-2019-9231 is a CSRF flaw in the management web interface of AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR, and 800C-MSBR devices running firmware before 7.20A.202.307. The issue is tied to CSRFProtection=1 not being default and not documented.

Likely exposure

Exposure is most likely where affected Mediant management interfaces are reachable by administrators through browsers and lack effective CSRF protection. Internet-exposed or broadly reachable management interfaces increase business risk.

Exploitation context

The provided sources do not show active exploitation, and the CVE is not marked KEV. As a CSRF issue, practical abuse generally depends on an authenticated administrator browser interacting with the management interface.

Researcher notes

The record lacks CVSS, CWE mapping, and detailed vendor remediation text in the bundle. Analysis should remain bounded to the named Mediant models, pre-7.20A.202.307 firmware, and the documented CSRFProtection behavior.

Mitigation direction

  • Upgrade affected firmware to 7.20A.202.307 or later if available from AudioCodes.
  • Check AudioCodes and the advisory for current remediation guidance.
  • Restrict management interface access to trusted administrative networks.
  • Require strong admin session controls and avoid routine browsing from admin sessions.
  • Review whether CSRFProtection=1 can be safely enabled on affected deployments.

Validation and detection

  • Inventory AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR, and 800C-MSBR devices.
  • Record firmware versions and flag anything before 7.20A.202.307.
  • Verify management interfaces are not exposed beyond required administrative networks.
  • Confirm whether CSRF protection is enabled or remediated after firmware update.
  • Review administrative change logs for unexpected configuration changes.
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

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ATT&CK lookup starting points

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CVE-2019-9231 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.

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.