CVE-2023-7250

Iperf3: possible denial of service

Published Mar 18, 2024 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
A flaw was found in iperf, a utility for testing network performance using TCP, UDP, and SCTP. A malicious or malfunctioning client can send less than the expected amount of data to the iperf server, which can cause the server to hang indefinitely waiting for the remainder or until the connection gets closed. This will prevent other connections to the server, leading to a denial of service.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4032-1 iperf3 security update
EUVD EUVD EUVD-2023-59431 A flaw was found in iperf, a utility for testing network performance using TCP, UDP, and SCTP. A malicious or malfunctioning client can send less than the expected amount of data to the iperf server, which can cause the server to hang indefinitely waiting for the remainder or until the connection gets closed. This will prevent other connections to the server, leading to a denial of service.
Ubuntu USN Ubuntu USN USN-7970-1 iperf3 vulnerabilities
History
Type Values Removed Values Added
First Time appeared Redhat rhel Els
CPEs cpe:/o:redhat:enterprise_linux:7 cpe:/o:redhat:rhel_els:7
Vendors & Products Redhat rhel Els
Type Values Removed Values Added
First Time appeared Es
Es iperf3
Redhat enterprise Linux For Arm 64
Redhat enterprise Linux For Ibm Z Systems
Redhat enterprise Linux For Power Little Endian
CPEs cpe:2.3:a:es:iperf3:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_arm_64:8.0_aarch64:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_arm_64:9.0_aarch64:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0_s390x:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:9.0_s390x:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0_ppc64le:*:*:*:*:*:*:*
Vendors & Products Es
Es iperf3
Redhat enterprise Linux For Arm 64
Redhat enterprise Linux For Ibm Z Systems
Redhat enterprise Linux For Power Little Endian
Type Values Removed Values Added
CPEs cpe:/a:redhat:enterprise_linux:9
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:9 cpe:/a:redhat:enterprise_linux:9::appstream
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Nov 5, 2026, 11:38 AM
Reserved
Mar 15, 2024, 3:21 PM
Status
Modified
Published
Mar 18, 2024, 1:15 PM
Modified
Nov 5, 2026, 12:17 PM
Severity
Moderate
Public date
Oct 16, 2023, 12:00 AM