CVE-2000-0052: Red Hat userhelper program in the usermode package allows local users to gain root access via PAM and a .

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HIGH 7.2WATCHLISTMITIGATEMITIGATEMITIGATE

CVE-2000-0052 is a high-severity flaw (CVSS 7.2) affecting mandrake linux, linux, turbolinux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Red Hat userhelper program in the usermode package allows local users to gain root access via PAM and a .. (dot dot) attack.

Why this priority

High severity
Public exploit reference
On your watchlist

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

Risk facts

CVSS score	7.2 (High)
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Published	2000-01-04
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mandrakesoft · redhat · turbolinux

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

Am I affected?

Timeline

2000-01-04 05:00 UTCPublished CVE record published
2026-06-16 21:50 UTCUpdated Record last modified

mandrakesoft mandrake linux MITIGATE

Affected: 6.0 · 6.1

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.

redhat linux MITIGATE

Affected: 6.0 · 6.1

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.

turbolinux turbolinux MITIGATE

Affected: 3.5b2 · 4.2 · 4.4 · 6.0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.5b2

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Mandrake 6.x / RedHat 6.x / Turbolinux 3.5 b2/4.x/6.0.2 userhelper/PAM - Path (1)
Exploit-DB: Mandrake 6.x / RedHat 6.x / Turbolinux 3.5 b2/4.x/6.0.2 userhelper/PAM - Path (2)

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-2000-0052?

mandrake linux: mitigate or apply the listed mitigation; linux: mitigate or apply the listed mitigation; turbolinux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2000-0052 being exploited?

CVE-2000-0052 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-2000-0052 affect?

CVE-2000-0052 affects mandrake linux, linux, turbolinux. Severity is high (CVSS 7.2). Red Hat userhelper program in the usermode package allows local users to gain root access via PAM and a .. (dot dot) attack.

How urgent is CVE-2000-0052?

Priority 50/100. High severity; Public exploit reference; On your watchlist

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References

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