CVE-2000-0584

CRITICAL ⚠ Exploit

Buffer overflow in Canna input system allows remote attackers to execute arbitrary commands via an SR_INIT command with a long user name or group name.

Affects 2 products across 2 vendors.

CVSS 2.010.0
EPSS5.9%
Percentile93th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
◆ AI Analysis — automated analysis, not human-reviewed

A buffer overflow vulnerability in the Canna input system allows remote attackers to execute arbitrary commands by sending a specially crafted SR_INIT command with a long user name or group name.

BSID: BS-2000-GLOBAL-158894-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2000-0584?
A buffer overflow vulnerability in the Canna input system allows remote attackers to execute arbitrary commands by sending a specially crafted SR_INIT command with a long user name or group name.
What is the CVSS score for CVE-2000-0584?
CVE-2000-0584 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 5.9%.
Is CVE-2000-0584 actively exploited?
Public exploit available for CVE-2000-0584. Exploitation risk elevated.
How do I remediate CVE-2000-0584?
Priority: IMMEDIATE.
What systems are affected by CVE-2000-0584?
CVE-2000-0584 affects Debian Debian Linux; Freebsd Freebsd.
Vulnerability Details
CVE IDCVE-2000-0584
BSIDBS-2000-GLOBAL-158894-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2000-07-02
Last Modified2026-06-16
ICS Relevance0%
SourceNVD
Official Description

Buffer overflow in Canna input system allows remote attackers to execute arbitrary commands via an SR_INIT command with a long user name or group name.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability is triggered when the Canna input system processes an SR_INIT command with excessively long user name or group name parameters, leading to a buffer overflow that can be exploited to execute arbitrary code with the privileges of the Canna process.

Exploitation Likelihood: CRITICAL

Affected Products
VendorProductAffected Versions
Debian Debian Linux 2.1
Freebsd Freebsd 3.5
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 9610 Days
CISA known-exploitedNot in KEV catalog
Public Exploit⚠ Available — Reference
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
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