CVE-2007-1444: netserver in netperf 2.4.3 allows local users to overwrite arbitrary files via a symlink attack on /tmp/netper

Routine

MEDIUM 4.4DOWNGRADE

CVE-2007-1444 is a medium-severity flaw (CVSS 4.4) affecting netperf. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

netserver in netperf 2.4.3 allows local users to overwrite arbitrary files via a symlink attack on /tmp/netperf.debug.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.4 (Medium)
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Published	2007-03-14
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: netperf

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2007-03-14 00:19 UTCPublished CVE record published
2026-06-16 22:37 UTCUpdated Record last modified

netperf netperf DOWNGRADE

Affected: 2.4.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.4.3

1. Check installed version

apt-cache policy netperf || rpm -q netperf || netperf --version

2. No fixed release: DOWNGRADE to a release before 2.4.3 (Debian / Ubuntu)

apt-cache madison netperf sudo apt install netperf=<VERSION_BEFORE_2.4.3> sudo apt-mark hold netperf

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list netperf sudo dnf downgrade netperf-<VERSION_BEFORE_2.4.3> sudo dnf versionlock add netperf

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2007-1444?

netperf: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2007-1444 being exploited?

CVE-2007-1444 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2007-1444 affect?

CVE-2007-1444 affects netperf. Severity is medium (CVSS 4.4). netserver in netperf 2.4.3 allows local users to overwrite arbitrary files via a symlink attack on /tmp/netperf.debug.

How urgent is CVE-2007-1444?

Priority 22/100. No elevated risk signals yet.

References

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