CVE-2002-1101

Vpn 3000 Concentrator Series Software vulnerability

CVSS

5.0

EPSS

3.4%

EPSS pct

88th

Exploited

No known

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.

Affected vendor

Cisco

Affected product

Vpn 3000 Concentrator Series Software

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Published

2002-10-04

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 3.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2002-1101

Confirm whether Cisco Vpn 3000 Concentrator Series Software is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2002-1101.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2002-1101

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2002-1101 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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