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CVE-2000-0584

37
FAUCET Score

CVE-2000-0584 describes a critical buffer overflow vulnerability in the Canna input system, affecting Debian Linux and FreeBSD. This flaw allows unauthenticated remote attackers to execute arbitrary commands by sending a specially crafted SR_INIT command with an excessively long username or group name. With a CVSS score of 10.0, this vulnerability presents a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog and showing no recent community discussion or media coverage, an ExploitDB entry confirms the existence of public exploit code, indicating its potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
2.1CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:2.1:*:*:*:*:*:*:*
3.5CPE matchmatch criteria
cpe:2.3:o:freebsd:freebsd:3.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.91%
Probability of exploitation in next 30 days
EPSS Percentile
92.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-20061 · Jul 2, 2000
This CVE's current EPSS score of 0.0590 is in the 87th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

ftp.freebsd.org / pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:31.canna.asc.v1.1
exchange.xforce.ibmcloud.com / vulnerabilities/4912
shadowpenguin.backsection.net / advisories/advisory038.html
securityfocus.com / bid/1445