CVE-2001-0055

mediumpriority · track · 20EPSS 0.013 · 70 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.29% (70th) EPSS

CVSS 5 · medium

Is it mine?

3 products

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

CBOS 2.4.1 and earlier in Cisco 600 routers allows remote attackers to cause a denial of service via a slow stream of TCP SYN packets.

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:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

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

The CWE weakness classes this flaw belongs to.

CWE-400USLLM-inferredCWE-473USLLM-inferred

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
cisco broadband operating system≤ 2.3.8nvdUScpe:2.3:o:cisco:broadband_operating_system:*:*:*:*:*:*:*:*
cisco cisco 6xx routersall versionsnvdUScpe:2.3:h:cisco:cisco_6xx_routers:*:*:*:*:*:*:*:*

Other names and identifiers for this entity.

Which sources assert this record, and when.

published 2001-02-16modified 2026-06-16

External citations — patches, advisories, analysis.

scry

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