CVE-2002-0232: Directory traversal vulnerability in Multi Router Traffic Grapher (MRTG) allows remote attackers to read porti

Routine

MEDIUM 5.0DOWNGRADE

CVE-2002-0232 is a medium-severity flaw (CVSS 5.0) affecting multi router traffic grapher cgi. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in Multi Router Traffic Grapher (MRTG) allows remote attackers to read portions of arbitrary files via a .. (dot dot) in the cfg parameter for (1) 14all.cgi, (2) 14all-1.1.cgi, (3) traffic.cgi, or (4) mrtg.cgi.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.9% (top 21%)
CISA exploited list	No
Published	2002-05-29
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mrtg

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

Am I affected?

Timeline

2002-05-29 04:00 UTCPublished CVE record published
2026-06-16 21:57 UTCUpdated Record last modified

mrtg multi router traffic grapher cgi DOWNGRADE

Affected: 2.9.17

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.9.17

1. Check installed version

apt-cache policy multi-router-traffic-grapher-cgi || rpm -q multi-router-traffic-grapher-cgi || multi-router-traffic-grapher-cgi --version

2. No fixed release: DOWNGRADE to a release before 2.9.17 (Debian / Ubuntu)

apt-cache madison multi-router-traffic-grapher-cgi sudo apt install multi-router-traffic-grapher-cgi=<VERSION_BEFORE_2.9.17> sudo apt-mark hold multi-router-traffic-grapher-cgi

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

dnf --showduplicates list multi-router-traffic-grapher-cgi sudo dnf downgrade multi-router-traffic-grapher-cgi-<VERSION_BEFORE_2.9.17> sudo dnf versionlock add multi-router-traffic-grapher-cgi

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-2002-0232?

multi router traffic grapher cgi: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2002-0232 being exploited?

CVE-2002-0232 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-2002-0232 affect?

CVE-2002-0232 affects multi router traffic grapher cgi. Severity is medium (CVSS 5.0). Directory traversal vulnerability in Multi Router Traffic Grapher (MRTG) allows remote attackers to read portions of arbitrary files via a .. (dot dot) in the cfg parameter for (1) 14all.cgi, (2) 14all-1.1.cgi, (3) traffic.cgi, or (4) mrtg.

How urgent is CVE-2002-0232?

Priority 37/100. No elevated risk signals yet.

References

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