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CVE Record

CVE-2023-37201: An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS.

An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2023-37201 is a Mozilla memory-safety flaw involving WebRTC connections over HTTPS. Affected Firefox, Firefox ESR, and Thunderbird versions could hit a use-after-free condition. The bundle does not provide CVSS scoring or evidence of active exploitation, but browser memory bugs should be treated as timely patching priorities on user endpoints.

Executive priority

Prioritize routine but prompt browser and mail-client patch deployment. There is no supplied evidence of active exploitation, but the affected software is common and user-facing, making stale installations a preventable endpoint risk.

Technical view

Mozilla describes a use-after-free reachable when creating a WebRTC connection over HTTPS. Affected products are Firefox before 115, Firefox ESR before 102.13, and Thunderbird before 102.13. No CWE, CVSS vector, public exploit status, or detailed root-cause information is included in the supplied bundle.

Likely exposure

Exposure is most likely on endpoints or servers running outdated Mozilla Firefox, Firefox ESR, or Thunderbird. Organizations using Debian-packaged Mozilla products should also review the referenced Debian advisories. Systems already updated to the fixed advisory versions are not indicated as affected by the supplied sources.

Exploitation context

The source bundle does not cite CISA KEV listing or any source claiming active exploitation. The described trigger involves WebRTC connection creation over HTTPS, but the provided evidence is insufficient to assess real-world exploit reliability, user interaction requirements, or impact beyond the use-after-free condition.

Researcher notes

Evidence is limited to Mozilla and Debian advisory references plus the CVE description. Bugzilla is cited, but the bundle does not include details needed to validate exploitability, CVSS, or CWE classification. Base analysis on product/version exposure and vendor advisory remediation.

Mitigation direction

  • Upgrade Firefox to 115 or later where applicable.
  • Upgrade Firefox ESR to 102.13 or later where applicable.
  • Upgrade Thunderbird to 102.13 or later where applicable.
  • Apply relevant Debian security updates for packaged Mozilla products.
  • Check Mozilla and OS vendor advisories for current supported fixed versions.

Validation and detection

  • Inventory Firefox, Firefox ESR, and Thunderbird versions across managed endpoints.
  • Flag installations below Firefox 115, ESR 102.13, or Thunderbird 102.13.
  • Verify Debian hosts received the referenced security advisory updates.
  • Confirm vulnerability scanner findings map to CVE-2023-37201 and affected products.
  • Document exceptions for unsupported or unmanaged Mozilla installations.
Prepared
Confidence
medium
Sources
8

Public sources used

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-2023-37201 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
9Source 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
MozillaFirefoxunspecifiedListed
MozillaFirefox ESRunspecifiedListed
MozillaThunderbirdunspecifiedListed
Weakness

CWE details

No CWE listed

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