CVE-2000-0315: traceroute in NetBSD 1.3.3 and Linux systems allows local unprivileged users to modify the source address of t
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MEDIUM 5.0WATCHLISTMITIGATEMITIGATEUPGRADE
CVE-2000-0315 is a medium-severity flaw (CVSS 5.0) affecting debian linux, unix, netbsd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
traceroute in NetBSD 1.3.3 and Linux systems allows local unprivileged users to modify the source address of the packets, which could be used in spoofing attacks.
Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
Published CVE record published
Updated Record last modified
debian debian linux MITIGATE
Affected: 2.0.34
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.0.34
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
digital unix MITIGATE
Affected: 4.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
netbsd netbsd UPGRADE
Affected: <= 1.3.3
Fixed in: newer than 1.3.3
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
redhat linux MITIGATE
Affected: 2.0.34
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.0.34
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
slackware slackware linux MITIGATE
Affected: 2.0.34
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.0.34
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official sourceNVD · 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-2000-0315?
debian linux: mitigate or apply the listed mitigation; unix: mitigate or apply the listed mitigation; netbsd: upgrade to newer than 1.3.3. Exact commands for each OS are on this page.
Is CVE-2000-0315 being exploited?
CVE-2000-0315 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-2000-0315 affect?
CVE-2000-0315 affects debian linux, unix, netbsd. Severity is medium (CVSS 5.0). traceroute in NetBSD 1.3.3 and Linux systems allows local unprivileged users to modify the source address of the packets, which could be used in spoofing attacks.
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