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CVE-2002-1103

Cisco VPN 3000 Concentrator 2.2.x, 3.6(Rel), and 3.x before 3.5.5, allows remote attackers to...

5.0 Medium

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 (1) malformed or (2) large ISAKMP packets.

Exploit likelihood

1.42%Up 0.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

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 (1) malformed or (2) large ISAKMP packets.

Record
CVE-2002-1103
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

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 (1) malformed or (2) large ISAKMP packets.

Record
CVE-2002-1103
Updated
2026-11-02
EUVDEUVD-2002-1091 No score

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 (1) malformed or (2) large ISAKMP packets.

Record
EUVD-2002-1091
Updated
2026-11-03
GitHub AdvisoriesGHSA-mfvw-h9jx-hrj7 No score

Cisco VPN 3000 Concentrator 2.2.x, 3.6(Rel), and 3.x before 3.5.5, allows remote attackers to...

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 (1) malformed or (2) large ISAKMP packets.

Record
GHSA-mfvw-h9jx-hrj7
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2002-1103 is a medium vulnerability (CVSS 5.0) in Cisco Vpn 3000 Concentrator Series Software, published September 10, 2002. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.42%, the 72nd percentile. No source names a fixed version.

References

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