CVE-2002-1101

NONECVSS 0.0Weaponized

0.0

Cisco VPN 3000 Concentrator 2.2.x, 3.6(Rel), and 3.x before 3.5.5, allows remote attackers to cause a denial of service via a long user name.

CVSS v3: —
EG Score: —
EPSS: 95.3%
KEV: Not listed

Published

October 4, 2002

Last Modified

April 16, 2026

References (2)

cve@mitrehttp://www.cisco.com/warp/public/707/vpn3k-multiple-vuln-pub.shtml
af854a3a-2127-422b-91ae-364da2661108http://www.cisco.com/warp/public/707/vpn3k-multiple-vuln-pub.shtml

Data Freshness Timeline

(refreshed 11× in last 7d / 17× 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
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2026-05-28 13:42 UTCepss_batch
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2026-05-18 21:29 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-21770✓ verified
First seen Sep 3, 2002
Cisco VPN 3000 Series Concentrator Client - Authentication Denial of Service
Open source ↗

Frequently asked(4)

What is CVE-2002-1101?

CVE-2002-1101 is a none vulnerability published on October 4, 2002. Cisco VPN 3000 Concentrator 2.2.x, 3.6(Rel), and 3.x before 3.5.5, allows remote attackers to cause a denial of service via a long user name.

When was CVE-2002-1101 disclosed?

CVE-2002-1101 was first published in the National Vulnerability Database on October 4, 2002, 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-2002-1101 actively exploited?

CVE-2002-1101 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 95.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2002-1101?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2002-1101, 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.

Dependency Blast Radius

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CVE-2002-1101

📅 Published

🔄 Last Modified

🔗 References (2)