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CVE Record

CVE-2001-0710: NetBSD 1.5 and earlier and FreeBSD 4.3 and earlier allows a remote attacker to cause a denial of service by...

NetBSD 1.5 and earlier and FreeBSD 4.3 and earlier allows a remote attacker to cause a denial of service by sending a large number of IP fragments to the machine, exhausting the mbuf pool.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This is an old remote denial-of-service issue affecting NetBSD 1.5 and earlier and FreeBSD 4.3 and earlier. An attacker can send many IP fragments until the system’s network memory buffers are exhausted, potentially making the machine unavailable. It matters mainly where very old BSD systems remain exposed to untrusted networks.

Executive priority

Prioritize if legacy BSD systems are still reachable from untrusted networks. For modern environments without these versions, urgency is low. The main business risk is service outage, not confirmed compromise.

Technical view

CVE-2001-0710 describes mbuf pool exhaustion caused by a large volume of IP fragments. Affected systems are NetBSD 1.5 and earlier and FreeBSD 4.3 and earlier. The provided sources do not include CVSS, CWE, specific fixed versions, or detailed vendor remediation.

Likely exposure

Likely exposure is limited to legacy NetBSD or FreeBSD systems still running the affected versions, especially internet-facing routers, servers, appliances, or embedded systems based on those releases.

Exploitation context

The source bundle supports remote denial of service via IP fragment flooding. It does not support claims of code execution, data theft, privilege escalation, or active exploitation. CISA KEV status is false in the provided data.

Researcher notes

Affected product data in the bundle is sparse and CPEs are listed as n/a. Validate exposure by OS release, not scanner CPE alone. No patch level or advisory text is included beyond the IBM X-Force reference.

Mitigation direction

  • Identify any NetBSD 1.5 or earlier systems.
  • Identify any FreeBSD 4.3 or earlier systems.
  • Move affected systems to supported vendor-maintained releases.
  • Check historical vendor advisories for version-specific fixes.
  • Restrict untrusted network reachability to legacy BSD hosts.
  • Monitor for abnormal IP fragmentation volume.

Validation and detection

  • Inventory operating system names and versions across assets.
  • Confirm whether exposed hosts run affected BSD versions.
  • Review firewall paths for untrusted traffic to legacy hosts.
  • Check network telemetry for unusual IP fragment rates.
  • Document compensating controls for systems that cannot be upgraded.
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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CVE-2001-0710 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.