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CVE-2003-0658: Docview before 1.1-18 in Caldera OpenLinux 3.1.1, SCO Linux 4.0, OpenServer 5.0.7, configures the Apache web s

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MEDIUM 5.0WATCHLISTDOWNGRADEDOWNGRADEDOWNGRADE

CVE-2003-0658 is a medium-severity flaw (CVSS 5.0) affecting openlinux server, openlinux workstation, openserver. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Docview before 1.1-18 in Caldera OpenLinux 3.1.1, SCO Linux 4.0, OpenServer 5.0.7, configures the Apache web server in a way that allows remote attackers to read arbitrary publicly readable files via a certain URL, possibly related to rewrite rules.

Why this priority

  • On your watchlist

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

Risk facts

CVSS score5.0 (Medium)
EPSS exploit chance2.1% (top 18%)
CISA exploited listNo
Published2003-10-20
Last modified2026-06-16
Publisher (CNA): MITRE · Vendor: caldera · sco

Share: LinkedIn · X · Reddit

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

Am I affected?

Timeline

caldera openlinux server DOWNGRADE
Affected: 3.1.1
Fixed in: no fixed release known
Safe to downgrade to: a release before 3.1.1
1. Check installed version
apt-cache policy openlinux-server || rpm -q openlinux-server || openlinux-server --version
2. No fixed release: DOWNGRADE to a release before 3.1.1 (Debian / Ubuntu)
apt-cache madison openlinux-server sudo apt install openlinux-server=<VERSION_BEFORE_3.1.1> sudo apt-mark hold openlinux-server
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list openlinux-server sudo dnf downgrade openlinux-server-<VERSION_BEFORE_3.1.1> sudo dnf versionlock add openlinux-server
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 workstation DOWNGRADE
Affected: 3.1.1
Fixed in: no fixed release known
Safe to downgrade to: a release before 3.1.1
1. Check installed version
apt-cache policy openlinux-workstation || rpm -q openlinux-workstation || openlinux-workstation --version
2. No fixed release: DOWNGRADE to a release before 3.1.1 (Debian / Ubuntu)
apt-cache madison openlinux-workstation sudo apt install openlinux-workstation=<VERSION_BEFORE_3.1.1> sudo apt-mark hold openlinux-workstation
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list openlinux-workstation sudo dnf downgrade openlinux-workstation-<VERSION_BEFORE_3.1.1> sudo dnf versionlock add openlinux-workstation
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 openserver DOWNGRADE
Affected: 5.0.7
Fixed in: no fixed release known
Safe to downgrade to: a release before 5.0.7
1. Check installed version
apt-cache policy openserver || rpm -q openserver || openserver --version
2. No fixed release: DOWNGRADE to a release before 5.0.7 (Debian / Ubuntu)
apt-cache madison openserver sudo apt install openserver=<VERSION_BEFORE_5.0.7> sudo apt-mark hold openserver
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list openserver sudo dnf downgrade openserver-<VERSION_BEFORE_5.0.7> sudo dnf versionlock add openserver
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.
sco unixware MITIGATE
Affected: 7.1.3
Fixed in: no fixed release known
Safe to downgrade to: a release before 7.1.3
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.
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-2003-0658?

openlinux server: downgrade or apply the listed mitigation; openlinux workstation: downgrade or apply the listed mitigation; openserver: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2003-0658 being exploited?

CVE-2003-0658 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-2003-0658 affect?

CVE-2003-0658 affects openlinux server, openlinux workstation, openserver. Severity is medium (CVSS 5.0). Docview before 1.1-18 in Caldera OpenLinux 3.1.1, SCO Linux 4.0, OpenServer 5.0.7, configures the Apache web server in a way that allows remote attackers to read arbitrary publicly readable files via a certain URL, possibly related to rewri

How urgent is CVE-2003-0658?

Priority 43/100. On your watchlist

Related CVEs

References

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