CVE-2003-0365: ICQLite 2003a creates the ICQ Lite directory with an ACE for "Full Control" privileges for Interactive Users,

Routine

MEDIUM 4.6DOWNGRADE

CVE-2003-0365 is a medium-severity flaw (CVSS 4.6) affecting icqlite. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ICQLite 2003a creates the ICQ Lite directory with an ACE for "Full Control" privileges for Interactive Users, which allows local users to gain privileges as other users by replacing the executables with malicious programs.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.6 (Medium)
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Published	2003-06-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: icq inc

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

Am I affected?

Timeline

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

icq inc icqlite DOWNGRADE

Affected: 2003a

Fixed in: no fixed release known

Safe to downgrade to: a release before 2003a

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2003a (Debian / Ubuntu)

apt-cache madison icqlite sudo apt install icqlite=<VERSION_BEFORE_2003a> sudo apt-mark hold icqlite

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

dnf --showduplicates list icqlite sudo dnf downgrade icqlite-<VERSION_BEFORE_2003a> sudo dnf versionlock add icqlite

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-2003-0365?

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

Is CVE-2003-0365 being exploited?

CVE-2003-0365 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-2003-0365 affect?

CVE-2003-0365 affects icqlite. Severity is medium (CVSS 4.6). ICQLite 2003a creates the ICQ Lite directory with an ACE for "Full Control" privileges for Interactive Users, which allows local users to gain privileges as other users by replacing the executables with malicious programs.

How urgent is CVE-2003-0365?

Priority 22/100. No elevated risk signals yet.

References

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