CVE-2003-0258

NONECVSS 0.0

0.0

Cisco VPN 3000 series concentrators and Cisco VPN 3002 Hardware Client 3.5.x through 4.0.REL, when enabling IPSec over TCP for a port on the concentrator, allow remote attackers to reach the private network without authentication.

CVSS v3: —
EG Score: —
EPSS: 84.9%
KEV: Not listed

Published

May 27, 2003

Last Modified

April 16, 2026

References (6)

cve@mitrehttp://www.cisco.com/warp/public/707/cisco-sa-20030507-vpn3k.shtml
cve@mitrehttp://www.kb.cert.org/vuls/id/727780
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/11954
af854a3a-2127-422b-91ae-364da2661108http://www.cisco.com/warp/public/707/cisco-sa-20030507-vpn3k.shtml
af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/727780
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/11954

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
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2026-05-27 13:37 UTCepss_batch
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2026-05-26 07:16 UTCepss_batch
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2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
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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-2003-0258?

CVE-2003-0258 is a none vulnerability published on May 27, 2003. Cisco VPN 3000 series concentrators and Cisco VPN 3002 Hardware Client 3.5.x through 4.0.REL, when enabling IPSec over TCP for a port on the concentrator, allow remote attackers to reach the private network without authentication.

When was CVE-2003-0258 disclosed?

CVE-2003-0258 was first published in the National Vulnerability Database on May 27, 2003, 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-2003-0258 actively exploited?

CVE-2003-0258 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 84.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2003-0258?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-0258, 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-2003-0258

📅 Published

🔄 Last Modified

🔗 References (6)