How severe is CVE-2004-0477?

CVE-2004-0477 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2004-0477 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-0477?

CVE-2004-0477 primarily affects 3com 3cp4144. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-0477?

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

When was CVE-2004-0477 published?

CVE-2004-0477 was published on 2004-12-06 and last updated on 2026-06-16.

CVE-2004-0477

CVE-2004-0477 is a critical-severity vulnerability in 3com 3cp4144 with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: 3com 3cp4144
Published: 2004-12-06
Last modified: 2026-06-16

Description

Unknown vulnerability in 3Com OfficeConnect Remote 812 ADSL Router allows remote attackers to bypass authentication via repeated attempts using any username and password. NOTE: this identifier was inadvertently re-used for another issue due to a typo; that issue was assigned CVE-2004-0447. This candidate is ONLY for the ADSL router bypass.

Frequently asked questions

What is CVE-2004-0477?: Unknown vulnerability in 3Com OfficeConnect Remote 812 ADSL Router allows remote attackers to bypass authentication via repeated attempts using any username and password. NOTE: this identifier was inadvertently re-used for another issue due to a typo; that issue was assigned CVE-2004-0447. This candidate is ONLY for the ADSL router bypass.
How severe is CVE-2004-0477?: CVE-2004-0477 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2004-0477 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0477?: CVE-2004-0477 primarily affects 3com 3cp4144. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-0477?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2004-0477 published?: CVE-2004-0477 was published on 2004-12-06 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:h:3com:3cp4144:*:*:*:*:*:*:*:*
cpe:2.3:h:3com:3cp4144:1.1.9.4:*:*:*:*:*:*:*

More vulnerabilities in 3com 3cp4144

CVE-2002-0888 — High (CVSS 7.5): 3Com OfficeConnect Remote 812 ADSL Router, firmware 1.1.9 and 1.1.7, allows remote attackers to bypass port access…
CVE-2004-0476 — Medium (CVSS 5.0): Buffer overflow in 3Com OfficeConnect Remote 812 ADSL Router 1.1.9.4 allows remote attackers to cause a denial of…
CVE-2003-0291 — Medium (CVSS 5.0): 3com OfficeConnect Remote 812 ADSL Router 1.1.7 does not properly clear memory from DHCP responses, which allows remote…
CVE-2001-0740 — Medium (CVSS 5.0): 3COM OfficeConnect 812 and 840 ADSL Router 4.2, running OCR812 router software 1.1.9 and earlier, allows remote…

All CVEs affecting 3com 3cp4144 →