CVE-1999-0791

NONECVSS 0.0Weaponized

0.0

Hybrid Network cable modems do not include an authentication mechanism for administration, allowing remote attackers to compromise the system through the HSMP protocol.

CVSS v3: —
EG Score: —
EPSS: 91.4%
KEV: Not listed

Published

October 6, 1999

Last Modified

April 16, 2026

References (2)

cve@mitrehttp://www.securityfocus.com/bid/695
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/695

Data Freshness Timeline

(refreshed 11× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
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2026-05-28 13:42 UTCepss_batch
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2026-05-27 13:37 UTCepss_batch
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2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-19538✓ verified
First seen Oct 5, 1999
Hybrid Networks Cable Broadband Access System 1.0 - Remote Configuration
Open source ↗

Frequently asked(4)

What is CVE-1999-0791?

CVE-1999-0791 is a none vulnerability published on October 6, 1999. Hybrid Network cable modems do not include an authentication mechanism for administration, allowing remote attackers to compromise the system through the HSMP protocol.

When was CVE-1999-0791 disclosed?

CVE-1999-0791 was first published in the National Vulnerability Database on October 6, 1999, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-1999-0791 actively exploited?

CVE-1999-0791 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-1999-0791?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-1999-0791, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-1999-0791

📅 Published

🔄 Last Modified

🔗 References (2)