CVE-2005-0072: zhcon before 0.2 does not drop privileges before reading a user configuration file, which allows local users t

Routine

LOW 2.1DOWNGRADE

CVE-2005-0072 is a low-severity flaw (CVSS 2.1) affecting zhcon. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

zhcon before 0.2 does not drop privileges before reading a user configuration file, which allows local users to read arbitrary files.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	2.1 (Low)
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Published	2005-01-24
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: ejoy and hu yong

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

Am I affected?

Timeline

2005-01-24 05:00 UTCPublished CVE record published
2026-06-16 22:10 UTCUpdated Record last modified

ejoy and hu yong zhcon DOWNGRADE

Affected: 0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.2 (Debian / Ubuntu)

apt-cache madison zhcon sudo apt install zhcon=<VERSION_BEFORE_0.2> sudo apt-mark hold zhcon

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

dnf --showduplicates list zhcon sudo dnf downgrade zhcon-<VERSION_BEFORE_0.2> sudo dnf versionlock add zhcon

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-2005-0072?

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

Is CVE-2005-0072 being exploited?

CVE-2005-0072 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-2005-0072 affect?

CVE-2005-0072 affects zhcon. Severity is low (CVSS 2.1). zhcon before 0.2 does not drop privileges before reading a user configuration file, which allows local users to read arbitrary files.

How urgent is CVE-2005-0072?

Priority 23/100. Public exploit reference

References

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