CVE-2001-1064

mediumpriority · track · 32EPSS 0.054 · 93 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

5.37% (93rd) EPSS

CVSS 5 · medium

Is it mine?

16 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

Cisco 600 series routers running CBOS 2.0.1 through 2.4.2ap allows remote attackers to cause a denial of service via multiple connections to the router on the (1) HTTP or (2) telnet service, which causes the router to become unresponsive and stop forwarding 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

v2.04.5mediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USLLM-inferredCWE-400USLLM-inferred

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-21092Cisco CBOS 2.x - Multiple TCP Connection Denial of Service Vulnerabilitiesfunctional · exploit_db

affected products (16)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
cisco cbos≤ 2.4.2apnvdUScpe:2.3:o:cisco:cbos:*:*:*:*:*:*:*:*
cisco cbos= 2.0.1nvdUScpe:2.3:o:cisco:cbos:*:*:*:*:*:*:*:*
cisco cbos= 2.1.0nvdUScpe:2.3:o:cisco:cbos:*:*:*:*:*:*:*:*
cisco cbos= 2.1.0anvdUScpe:2.3:o:cisco:cbos:*:*:*:*:*:*:*:*
cisco cbos= 2.2.0nvdUScpe:2.3:o:cisco:cbos:*:*:*:*:*:*:*:*
cisco cbos= 2.2.1nvdUScpe:2.3:o:cisco:cbos:*:*:*:*:*:*:*:*
cisco cbos= 2.2.1anvdUScpe:2.3:o:cisco:cbos:*:*:*:*:*:*:*:*
cisco cbos= 2.3nvdUScpe:2.3:o:cisco:cbos:*:*:*:*:*:*:*:*
cisco cbos= 2.3.2nvdUScpe:2.3:o:cisco:cbos:*:*:*:*:*:*:*:*
cisco cbos= 2.3.5nvdUScpe:2.3:o:cisco:cbos:*:*:*:*:*:*:*:*
cisco cbos= 2.3.7nvdUScpe:2.3:o:cisco:cbos:*:*:*:*:*:*:*:*
cisco cbos= 2.3.8nvdUScpe:2.3:o:cisco:cbos:*:*:*:*:*:*:*:*
cisco cbos= 2.3.9nvdUScpe:2.3:o:cisco:cbos:*:*:*:*:*:*:*:*
cisco cbos= 2.4.1nvdUScpe:2.3:o:cisco:cbos:*:*:*:*:*:*:*:*
cisco cbos= 2.4.2nvdUScpe:2.3:o:cisco:cbos:*:*:*:*:*:*:*:*

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 2001-08-31modified 2026-06-16

references (8)

External citations — patches, advisories, analysis.

scry

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