CVE-2003-0448: Portmon 1.7 and possibly earlier versions allows local users to read and write arbitrary files via the (1) -c

Q: How do I fix CVE-2003-0448?

portmon: upgrade to newer than 1.7. Exact commands for each OS are on this page.

Q: Is CVE-2003-0448 being exploited?

CVE-2003-0448 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2003-0448 affect?

CVE-2003-0448 affects portmon. Severity is low (CVSS 3.6). Portmon 1.7 and possibly earlier versions allows local users to read and write arbitrary files via the (1) -c (host file) or (2) -l (log file) command line options.

Q: How urgent is CVE-2003-0448?

Priority 19/100. No elevated risk signals yet.

Routine

LOW 3.6UPGRADE

CVE-2003-0448 is a low-severity flaw (CVSS 3.6) affecting portmon. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Portmon 1.7 and possibly earlier versions allows local users to read and write arbitrary files via the (1) -c (host file) or (2) -l (log file) command line options.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	3.6 (Low)
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Published	2003-07-24
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: aboleo.net

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

Am I affected?

Timeline

2003-07-24 04:00 UTCPublished CVE record published
2026-06-16 22:02 UTCUpdated Record last modified

aboleo.net portmon UPGRADE

Affected: <= 1.7

Fixed in: newer than 1.7

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade portmon

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade portmon

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2003-0448?

portmon: upgrade to newer than 1.7. Exact commands for each OS are on this page.

Is CVE-2003-0448 being exploited?

CVE-2003-0448 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-2003-0448 affect?

CVE-2003-0448 affects portmon. Severity is low (CVSS 3.6). Portmon 1.7 and possibly earlier versions allows local users to read and write arbitrary files via the (1) -c (host file) or (2) -l (log file) command line options.

How urgent is CVE-2003-0448?

Priority 19/100. No elevated risk signals yet.

References

← Back to latest CVEs