CVE-1999-1059

CRITICAL

Vulnerability in rexec daemon (rexecd) in AT&T TCP/IP 4.0 for various SVR4 systems allows remote attackers to execute arbitrary commands.

Affects 1 product across 1 vendor.

CVSS 2.010.0
EPSS4.2%
Percentile91th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 1992. A critical vulnerability affects Att systems (CVE-1999-1059). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-1992-GLOBAL-308225-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-1999-1059?
This vulnerability was disclosed in 1992. A critical vulnerability affects Att systems (CVE-1999-1059). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-1999-1059?
CVE-1999-1059 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 4.2%.
Is CVE-1999-1059 actively exploited?
No confirmed active exploitation of CVE-1999-1059 as of 2026-06-20.
How do I remediate CVE-1999-1059?
Priority: MEDIUM.
What systems are affected by CVE-1999-1059?
CVE-1999-1059 affects Att Svr4.
Vulnerability Details
CVE IDCVE-1999-1059
BSIDBS-1992-GLOBAL-308225-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published1992-02-25
Last Modified2026-06-16
ICS Relevance0%
SourceNVD
Official Description

Vulnerability in rexec daemon (rexecd) in AT&T TCP/IP 4.0 for various SVR4 systems allows remote attackers to execute arbitrary commands.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: Vulnerability in rexec daemon (rexecd) in AT&T TCP/IP 4.0 for various SVR4 systems allows remote attackers to execute arbitrary commands. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductAffected Versions
Att Svr4 4.0
Remediation

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

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 12659 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 Hash26ecb8306ba3f2109ffb3d1d21ff245c7971cc8b6bf4c4f3ed1f814ff97190e7dd5e3941989b9d70654ecadc2665dc9dfc8f85e7848b9f3f15bcdbc5e5b10c88
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