How severe is CVE-2004-1776?

CVE-2004-1776 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2004-1776 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-1776?

CVE-2004-1776 primarily affects Cisco Ios. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-1776?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2004-1776 published?

CVE-2004-1776 was published on 2001-02-28 and last updated on 2026-06-16.

CVE-2004-1776

CVE-2004-1776 is a high-severity vulnerability in Cisco Ios with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Ios
Published: 2001-02-28
Last modified: 2026-06-16

Description

Cisco IOS 12.1(3) and 12.1(3)T allows remote attackers to read and modify device configuration data via the cable-docsis read-write community string used by the Data Over Cable Service Interface Specification (DOCSIS) standard.

Frequently asked questions

What is CVE-2004-1776?: Cisco IOS 12.1(3) and 12.1(3)T allows remote attackers to read and modify device configuration data via the cable-docsis read-write community string used by the Data Over Cable Service Interface Specification (DOCSIS) standard.
How severe is CVE-2004-1776?: CVE-2004-1776 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2004-1776 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-1776?: CVE-2004-1776 primarily affects Cisco Ios. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-1776?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2004-1776 published?: CVE-2004-1776 was published on 2001-02-28 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:o:cisco:ios:12.1\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1\(3\)t:*:*:*:*:*:*:*

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