CVE-2000-0509: Buffer overflows in the finger and whois demonstration scripts in Sambar Server 4.3 allow remote attackers to

Q: How do I fix CVE-2000-0509?

sambar server: upgrade to newer than 4.3. Exact commands for each OS are on this page.

Q: Is CVE-2000-0509 being exploited?

CVE-2000-0509 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2000-0509 affect?

CVE-2000-0509 affects sambar server. Severity is high (CVSS 10.0). Buffer overflows in the finger and whois demonstration scripts in Sambar Server 4.3 allow remote attackers to execute arbitrary commands via a long hostname.

Q: How urgent is CVE-2000-0509?

Priority 58/100. Critical severity; EPSS top 9%: very likely to be exploited

This month

HIGH 10.0UPGRADE

CVE-2000-0509 is a high-severity flaw (CVSS 10.0) affecting sambar server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflows in the finger and whois demonstration scripts in Sambar Server 4.3 allow remote attackers to execute arbitrary commands via a long hostname.

Why this priority

Critical severity
EPSS top 9%: very likely to be exploited

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	4.3% (top 9%)
CISA exploited list	No
Published	2000-06-01
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: sambar

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

Am I affected?

Timeline

2000-06-01 04:00 UTCPublished CVE record published
2026-06-16 21:51 UTCUpdated Record last modified

sambar sambar server UPGRADE

Affected: <= 4.3

Fixed in: newer than 4.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy sambar-server || rpm -q sambar-server || sambar-server --version

2. UPGRADE to newer than 4.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade sambar-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sambar-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2000-0509?

sambar server: upgrade to newer than 4.3. Exact commands for each OS are on this page.

Is CVE-2000-0509 being exploited?

CVE-2000-0509 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-2000-0509 affect?

CVE-2000-0509 affects sambar server. Severity is high (CVSS 10.0). Buffer overflows in the finger and whois demonstration scripts in Sambar Server 4.3 allow remote attackers to execute arbitrary commands via a long hostname.

How urgent is CVE-2000-0509?

Priority 58/100. Critical severity; EPSS top 9%: very likely to be exploited

Related CVEs

CVE-2006-6624 MEDIUM 4.0 DOWNGRADE The FTP Server in Sambar Server 6.4 allows remote authenticated users to cause a denial of service (applicatio
CVE-2005-3506 MEDIUM 4.3 UPGRADE Cross-site scripting (XSS) vulnerability in proxy.asp in Sambar Server 6.3 BETA 2 and possibly earlier version
CVE-2004-2565 MEDIUM 5.0 DOWNGRADE Multiple directory traversal vulnerabilities in Sambar Server 6.1 Beta 2 on Windows, and possibly other versio
CVE-2004-2564 MEDIUM 4.3 DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in Sambar Server 6.1 Beta 2 on Windows, and possibly other
CVE-2004-2086 MEDIUM 5.0 DOWNGRADE Stack-based buffer overflow in results.stm for Sambar Server before the 6.0 production release allows remote a

References

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