CVE-2000-1010

CRITICAL

Format string vulnerability in talkd in OpenBSD and possibly other BSD-based OSes allows remote attackers to execute arbitrary commands via a user name that contains format characters.

Affects 2 products across 2 vendors.

CVSS 2.010.0
EPSS4.6%
Percentile92th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2000. A critical vulnerability affects Openbsd systems (CVE-2000-1010). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2000-GLOBAL-348990-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2000-1010?
This vulnerability was disclosed in 2000. A critical vulnerability affects Openbsd systems (CVE-2000-1010). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2000-1010?
CVE-2000-1010 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 4.6%.
Is CVE-2000-1010 actively exploited?
No confirmed active exploitation of CVE-2000-1010 as of 2026-09-25.
How do I remediate CVE-2000-1010?
Priority: MEDIUM. PSIRT: [email protected]
What systems are affected by CVE-2000-1010?
CVE-2000-1010 affects Openbsd Openbsd; Redhat Linux.
Vulnerability Details
CVE IDCVE-2000-1010
BSIDBS-2000-GLOBAL-348990-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2000-12-11
Last Modified2026-06-16
ICS Relevance0%
SourceNVD
Official Description

Format string vulnerability in talkd in OpenBSD and possibly other BSD-based OSes allows remote attackers to execute arbitrary commands via a user name that contains format characters.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: Format string vulnerability in talkd in OpenBSD and possibly other BSD-based OSes allows remote attackers to execute arbitrary commands via a user name that contains format characters. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductAffected Versions
Openbsd Openbsd 2.3 2.4 2.5 2.6 2.7
Redhat Linux 5.0 5.1 5.2
Remediation

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

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 9447 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash12aaf6621464c98598a29331ce94809896b27c06fa70d626b30057e07a3cce20e6f627113a6e31bddbd33936c4692a3a4c999cd44231b68de5eb72a5a8906dcd
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