CVE-2002-0853

NONECVSS 0.0

0.0

Cisco Virtual Private Network (VPN) Client 3.5.4 and earlier allows remote attackers to cause a denial of service (CPU consumption) via a packet with a zero-length payload.

CVSS v3: —
EG Score: —
EPSS: 82.2%
KEV: Not listed

Published

September 5, 2002

Last Modified

April 16, 2026

References (8)

cve@mitrehttp://www.cisco.com/warp/public/707/vpnclient-multiple-vuln-pub.shtml
cve@mitrehttp://www.iss.net/security_center/static/9821.php
cve@mitrehttp://www.kb.cert.org/vuls/id/287771
cve@mitrehttp://www.securityfocus.com/bid/5440
af854a3a-2127-422b-91ae-364da2661108http://www.cisco.com/warp/public/707/vpnclient-multiple-vuln-pub.shtml
af854a3a-2127-422b-91ae-364da2661108http://www.iss.net/security_center/static/9821.php
af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/287771
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/5440

Data Freshness Timeline

(refreshed 12× 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
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
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2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Frequently asked(4)

What is CVE-2002-0853?

CVE-2002-0853 is a none vulnerability published on September 5, 2002. Cisco Virtual Private Network (VPN) Client 3.5.4 and earlier allows remote attackers to cause a denial of service (CPU consumption) via a packet with a zero-length payload.

When was CVE-2002-0853 disclosed?

CVE-2002-0853 was first published in the National Vulnerability Database on September 5, 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-2002-0853 actively exploited?

CVE-2002-0853 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2002-0853?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2002-0853, 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-2002-0853

📅 Published

🔄 Last Modified

🔗 References (8)