CVE-2002-2052: n/a vulnerability

CVE-2002-2052: Cisco 2611 router running IOS 12.1(6.5), possibly an interim release, allows remote attackers to cause a de...

Cisco 2611 router running IOS 12.1(6.5), possibly an interim release, allows remote attackers to cause a denial of service via port scans such as (1) scanning all ports on a single host and (2) scanning a network of hosts for a single open port through the router. NOTE: the vendor could not reproduce this issue, saying that the original reporter was using an interim release of the software.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 16, 2024, 18:03 UTC (UTC+00:00)

Security readout for executives and security teams

This is an old, disputed denial-of-service report involving Cisco 2611 routers on IOS 12.1(6.5), possibly an interim build. The concern is router disruption during certain port-scanning traffic. Cisco reportedly could not reproduce it, so business urgency depends on whether legacy equipment still runs that specific software. Likely limited to organizations still operating Cisco 2611 routers running IOS 12.1(6.5) or closely related interim builds. The source bundle does not confirm broader Cisco IOS exposure. Treat as a legacy-infrastructure review item, not an emergency based on current evidence. Prioritize if critical network paths still depend on Cisco 2611 routers with the named IOS build. Mitigation focus: Inventory Cisco 2611 routers and record exact IOS versions.; Check Cisco guidance for supported, production IOS releases.; Avoid relying on interim IOS builds in production..

Prepared: Jun 29, 2026, 19:05 UTC (UTC+00:00)

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: Jul 14, 2005, 04:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

0ADP providers

1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

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Weakness

CWE details

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