CVE-2000-0446: Buffer overflow in MDBMS database server allows remote attackers to execute arbitrary commands via a long stri

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HIGH 7.5DOWNGRADE

CVE-2000-0446 is a high-severity flaw (CVSS 7.5) affecting mdbms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in MDBMS database server allows remote attackers to execute arbitrary commands via a long string.

Why this priority

High severity
EPSS top 5%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	7.9% (top 5%)
CISA exploited list	No
Published	2000-05-24
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: marty bochane

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

Am I affected?

Timeline

2000-05-24 04:00 UTCPublished CVE record published
2026-06-16 21:51 UTCUpdated Record last modified

marty bochane mdbms DOWNGRADE

Affected: 0.9_xbx

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.9_xbx

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.9_xbx (Debian / Ubuntu)

apt-cache madison mdbms sudo apt install mdbms=<VERSION_BEFORE_0.9_xbx> sudo apt-mark hold mdbms

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

dnf --showduplicates list mdbms sudo dnf downgrade mdbms-<VERSION_BEFORE_0.9_xbx> sudo dnf versionlock add mdbms

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.

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: Marty Bochane MDBms 0.9 - xbx Buffer Overflow

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-2000-0446?

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

Is CVE-2000-0446 being exploited?

CVE-2000-0446 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-2000-0446 affect?

CVE-2000-0446 affects mdbms. Severity is high (CVSS 7.5). Buffer overflow in MDBMS database server allows remote attackers to execute arbitrary commands via a long string.

How urgent is CVE-2000-0446?

Priority 55/100. High severity; EPSS top 5%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2001-0818 HIGH 7.5 UPGRADE A buffer overflow the '\s' console command in MDBMS 0.99b9 and earlier allows remote attackers to execute arbi

References

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