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CVE-2023-7250

19
FAUCET Score

CVE-2023-7250 is a denial-of-service vulnerability in iperf, a network performance testing utility, affecting various Red Hat Enterprise Linux versions and iperf3. A malicious or malfunctioning client can send incomplete data to an iperf server, causing it to hang indefinitely and prevent new connections. This vulnerability has a CVSS score of 5.3 (Medium) due to its network attack vector and low attack complexity, leading to a potential loss of availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.15CPE matchmatch criteria
cpe:2.3:a:es:iperf3:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
8.0_aarch64CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_for_arm_64:8.0_aarch64:*:*:*:*:*:*:*
9.0_aarch64CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_for_arm_64:9.0_aarch64:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.93%
Probability of exploitation in next 30 days
EPSS Percentile
57.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0093 is in the 36th percentile among its peer group of 23,703 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

microsoftpatch availablevia msrc
Product: cbl2 iperf3 3.17-1 on CBL Mariner 2.0Fixed in: 3.17-1
microsoftpatch availablevia msrc
Product: 17339-16823Fixed in: 3.17-1
microsoftpatch availablevia msrc
Product: cbl2 iperf3 3.14-2 on CBL Mariner 2.0Fixed in: 3.17-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 3.17-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 3.17-1
microsoftpatch availablevia msrc
Product: 19985-17086Fixed in: 3.17-1
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: iperf3-0:3.9-13.el9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: iperf3-0:3.5-10.el8_10
View patch

Vendor Advisories (3)

microsoft2024-Jun/CVE-2023-7250

CVE-2023-7250

Jun 11, 2024
microsoft2024-Mar/CVE-2023-7250Moderate

Iperf3: possible denial of service

Mar 12, 2024
redhatCVE-2023-7250Moderate

iperf3: possible denial of service

Oct 16, 2023

References

lists.debian.org / debian-lts-announce/2025/01/msg00027.html
access.redhat.com / errata/RHSA-2024:4241
Third Party Advisory
access.redhat.com / errata/RHSA-2024:9185
Third Party Advisory
access.redhat.com / security/cve/CVE-2023-7250
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory