Description
The ICMP path MTU (PMTU) discovery feature in various UNIX systems allows remote attackers to cause a denial of service by spoofing "ICMP Fragmentation needed but Don't Fragment (DF) set" packets between two target hosts, which could cause one host to lower its MTU when transmitting to the other host.
Published: 2001-04-04
Score: 6.4 Medium
EPSS: 1.7% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2001-0323 The ICMP path MTU (PMTU) discovery feature in various UNIX systems allows remote attackers to cause a denial of service by spoofing "ICMP Fragmentation needed but Don't Fragment (DF) set" packets between two target hosts, which could cause one host to lower its MTU when transmitting to the other host.
History

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Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-08T04:14:07.397Z

Reserved: 2001-04-04T00:00:00.000Z

Link: CVE-2001-0323

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2001-06-02T04:00:00.000

Modified: 2026-06-16T21:54:05.937

Link: CVE-2001-0323

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses