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CVE-2002-1101: Cisco VPN 3000 Concentrator 2.2.x, 3.6(Rel), and 3.x before 3.5.5, allows remote attackers to cause a denia...

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.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is an old Cisco VPN 3000 Concentrator denial-of-service flaw. A remote attacker could disrupt an affected concentrator by submitting an overly long user name. The sources do not provide CVSS, confirmed exploitation, or detailed recovery impact, so urgency depends on whether this legacy VPN platform is still present or internet-reachable. Exposure is likely limited to organizations still running legacy Cisco VPN 3000 Concentrators. Risk is higher if the affected service accepts remote user-name input from untrusted networks or the internet. Treat this as a legacy-asset availability risk. It should be handled during network perimeter review, with higher priority for internet-facing concentrators or business-critical remote-access paths. Mitigation focus: Inventory Cisco VPN 3000 Concentrators and record exact software versions.; Prioritize systems running 2.2.x, 3.6(Rel), or 3.x before 3.5.5.; Review Cisco advisory guidance before selecting upgrade or replacement actions..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
1Source links

CVSS and timeline data

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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