PatchTheCVECVE-2001-0139: inn 2.2.3 allows local users to overwrite arbitrary files via a symlink attack in some configurations.
16
Routine
LOW 1.2WATCHLISTDOWNGRADEDOWNGRADEMITIGATE
CVE-2001-0139 is a low-severity flaw (CVSS 1.2) affecting openlinux desktop, immunix, openlinux edesktop. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
inn 2.2.3 allows local users to overwrite arbitrary files via a symlink attack in some configurations.
Why this priority
- On your watchlist
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 1.2 (Low) |
| EPSS exploit chance | 0.3% (top 73%) |
| CISA exploited list | No |
| Published | 2001-03-12 |
| Last modified | 2026-06-16 |
Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
caldera openlinux desktop DOWNGRADE
Affected: 2.3
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.3
1. Check installed version
apt-cache policy openlinux-desktop || rpm -q openlinux-desktop || openlinux-desktop --version
2. No fixed release: DOWNGRADE to a release before 2.3 (Debian / Ubuntu)
apt-cache madison openlinux-desktop
sudo apt install openlinux-desktop=<VERSION_BEFORE_2.3>
sudo apt-mark hold openlinux-desktop
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list openlinux-desktop
sudo dnf downgrade openlinux-desktop-<VERSION_BEFORE_2.3>
sudo dnf versionlock add openlinux-desktop
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.
immunix immunix DOWNGRADE
Affected: 7.0_beta
Fixed in: no fixed release known
Safe to downgrade to: a release before 7.0_beta
1. Check installed version
apt-cache policy immunix || rpm -q immunix || immunix --version
2. No fixed release: DOWNGRADE to a release before 7.0_beta (Debian / Ubuntu)
apt-cache madison immunix
sudo apt install immunix=<VERSION_BEFORE_7.0_beta>
sudo apt-mark hold immunix
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list immunix
sudo dnf downgrade immunix-<VERSION_BEFORE_7.0_beta>
sudo dnf versionlock add immunix
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.
caldera openlinux edesktop MITIGATE
Affected: 2.4
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.4
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
caldera openlinux eserver MITIGATE
Affected: 2.3
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.3
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
debian debian linux MITIGATE
Affected: 2.2
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.2
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
mandrakesoft mandrake linux MITIGATE
Affected: 6.0 · 6.1 · 7.0 · 7.1 · 7.2
Fixed in: no fixed release known
Safe to downgrade to: a release before 6.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
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.
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-2001-0139?
openlinux desktop: downgrade or apply the listed mitigation; immunix: downgrade or apply the listed mitigation; openlinux edesktop: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2001-0139 being exploited?
CVE-2001-0139 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-2001-0139 affect?
CVE-2001-0139 affects openlinux desktop, immunix, openlinux edesktop. Severity is low (CVSS 1.2). inn 2.2.3 allows local users to overwrite arbitrary files via a symlink attack in some configurations.
How urgent is CVE-2001-0139?
Priority 16/100. On your watchlist
Software pages
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