CVE-1999-0663

CRITICAL

A system-critical program, library, or file has a checksum or other integrity measurement that indicates that it has been modified.

Affects 0 products across 2 vendors.

BCS7.29
CVSS 2.010.0
EPSS1.9%
Percentile78th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
◆ SAGE Intelligence — CITED Relevance Research Team

This vulnerability was disclosed in 1999. A critical vulnerability affects Modified systems (CVE-1999-0663). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-1999-GLOBAL-308006-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-1999-0663?
This vulnerability was disclosed in 1999. A critical vulnerability affects Modified systems (CVE-1999-0663). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-1999-0663?
CVE-1999-0663 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 1.9%.
Is CVE-1999-0663 actively exploited?
No confirmed active exploitation of CVE-1999-0663 as of 2026-06-20.
How do I remediate CVE-1999-0663?
Priority: MEDIUM.
What systems are affected by CVE-1999-0663?
CVE-1999-0663 affects: Modified, Program.
Vulnerability Details
CVE IDCVE-1999-0663
BSIDBS-1999-GLOBAL-308006-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published1999-01-01
Last Modified2026-06-16
ICS Relevance0%
SourceNVD
Official Description

A system-critical program, library, or file has a checksum or other integrity measurement that indicates that it has been modified.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: A system-critical program, library, or file has a checksum or other integrity measurement that indicates that it has been modified. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductFixed Version
Modified — —
Program — —
Remediation

No patch URL on record. Monitor vendor security advisories directly.

Threat Intelligence
● Threat Intelligence Validated: August 2026 | Threat Age: 10079 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
SAGE Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hashb62f45f0ae3da72c1b8e04f53b78fb9fba1edbef3e1aec50c95cd064285fbf3d6ca78689ead35e21f1400e19be280825592ff0d51a30afbbc9df30ad0a9714cb
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