CVE-2002-0886

Cbos vulnerability

CVSS

5.0

EPSS

5.4%

EPSS pct

92th

Exploited

No known

Cisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a denial of service (hang or memory consumption) via (1) a large packet to the DHCP port, (2) a large packet to the Telnet port, or (3) a flood of large packets to the CPE, which causes the TCP/IP stack to consume large amounts of memory.

Affected vendor

Cisco

Affected product

Cbos

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Published

2002-10-04

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 5.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2002-0886

Confirm whether Cisco Cbos is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2002-0886.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2002-0886

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2002-0886 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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