CVE-2003-0887: ez-ipupdate 3.0.11b7 and earlier creates insecure temporary cache files, which allows local users to conduct u

Routine

LOW 2.1DOWNGRADE

CVE-2003-0887 is a low-severity flaw (CVSS 2.1) affecting ez-ipupdate. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ez-ipupdate 3.0.11b7 and earlier creates insecure temporary cache files, which allows local users to conduct unauthorized operations via a symlink attack on the ez-ipupdate.cache file.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	2.1 (Low)
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Published	2003-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: angus mackay

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

Am I affected?

Timeline

2003-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:03 UTCUpdated Record last modified

angus mackay ez-ipupdate DOWNGRADE

Affected: 3.0.11b5 · 3.0.11b7

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0.11b5

1. Check installed version

apt-cache policy ez-ipupdate || rpm -q ez-ipupdate || ez-ipupdate --version

2. No fixed release: DOWNGRADE to a release before 3.0.11b5 (Debian / Ubuntu)

apt-cache madison ez-ipupdate sudo apt install ez-ipupdate=<VERSION_BEFORE_3.0.11b5> sudo apt-mark hold ez-ipupdate

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

dnf --showduplicates list ez-ipupdate sudo dnf downgrade ez-ipupdate-<VERSION_BEFORE_3.0.11b5> sudo dnf versionlock add ez-ipupdate

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-2003-0887?

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

Is CVE-2003-0887 being exploited?

CVE-2003-0887 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-2003-0887 affect?

CVE-2003-0887 affects ez-ipupdate. Severity is low (CVSS 2.1). ez-ipupdate 3.0.11b7 and earlier creates insecure temporary cache files, which allows local users to conduct unauthorized operations via a symlink attack on the ez-ipupdate.cache file.

How urgent is CVE-2003-0887?

Priority 13/100. No elevated risk signals yet.

Related CVEs

CVE-2004-0980 HIGH 10.0 DOWNGRADE MITIGATE Format string vulnerability in ez-ipupdate.c for ez-ipupdate 3.0.10 through 3.0.11b8, when running in daemon m

References

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