CVE-2002-2316

mediumpriority · track · 20EPSS 0.012 · 69 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.23% (69th) EPSS

CVSS 5 · medium

Is it mine?

4 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

Cisco Catalyst 4000 series switches running CatOS 5.5.5, 6.3.5, and 7.1.2 do not always learn MAC addresses from a single initial packet, which causes unicast traffic to be broadcast across the switch and allows remote attackers to obtain sensitive network information by sniffing.

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.04.3mediumAV:N/AC:L/Au:N/C:N/I:P/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USLLM-inferredCWE-284USLLM-inferred

affected products (4)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
cisco catos= 5.5(5)nvdUScpe:2.3:o:cisco:catos:*:*:*:*:*:*:*:*
cisco catos= 6.3(5)nvdUScpe:2.3:o:cisco:catos:*:*:*:*:*:*:*:*
cisco catos= 7.1(2)nvdUScpe:2.3:o:cisco:catos:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2002-12-31modified 2026-06-16

references (8)

External citations — patches, advisories, analysis.

scry

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