CVE-1999-0889 — Cisco 675 routers running CBOS allow remote attackers to establish telnet sessions if an exec or superuser password has not been set

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HIGH

Cisco 675 routers running CBOS allow remote attackers to establish telnet sessions if an exec or superuser password has not been set

Published Apr 25, 2000

7.5

HIGH

CVSS 2.0

EPSS 1.37%

Description

Cisco 675 routers running CBOS allow remote attackers to establish telnet sessions if an exec or superuser password has not been set.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.37% 0.01366

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01366

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.37% (0.01366)	70.84th	v5 (v2026.06.15)
Jun 15, 2026	1.37% (0.01366)	68.15th	v5 (v2026.06.15)
Mar 17, 2025	0.64% (0.00636)	68.69th	v4 (v2025.03.14)
Dec 12, 2024	0.56% (0.00562)	78.44th	v3 (v2023.03.01)
Feb 8, 2024	0.56% (0.00562)	77.00th	v3 (v2023.03.01)
Mar 7, 2023	0.95% (0.00946)	80.76th	v3 (v2023.03.01)
Mar 6, 2023	1.14% (0.01136)	59.45th	v2 (v2022.01.01)
Oct 18, 2022	1.14% (0.01136)	58.28th	v2 (v2022.01.01)
Apr 1, 2022	1.14% (0.01136)	56.27th	v2 (v2022.01.01)
Feb 4, 2022	1.14% (0.01136)	34.23th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (1)

http://www.osvdb.org/39
vdb-entryx_refsource_OSVDB

Link	Providers	Tags
http://www.osvdb.org/39		vdb-entryx_refsource_OSVDB

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Apr 25, 2000

Updated Aug 1, 2024

Reserved Dec 8, 1999

Link CVE-1999-0889

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-1999-0889

Red Hat

Severity n/a

Public date n/a

Links CVE-1999-0889