How severe is CVE-2004-2439?

CVE-2004-2439 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2004-2439 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-2439?

CVE-2004-2439 primarily affects Hp Color Laserjet. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-2439?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2004-2439 published?

CVE-2004-2439 was published on 2004-12-31 and last updated on 2026-06-16.

CVE-2004-2439

CVE-2004-2439 is a medium-severity vulnerability in Hp Color Laserjet with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Hp Color Laserjet
Published: 2004-12-31
Last modified: 2026-06-16

Description

The remote upgrade capability in HP LaserJet 4200 and 4300 printers does not require a password, which allows remote attackers to upgrade firmware.

Frequently asked questions

What is CVE-2004-2439?: The remote upgrade capability in HP LaserJet 4200 and 4300 printers does not require a password, which allows remote attackers to upgrade firmware.
How severe is CVE-2004-2439?: CVE-2004-2439 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-2439 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-2439?: CVE-2004-2439 primarily affects Hp Color Laserjet. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-2439?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-2439 published?: CVE-2004-2439 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (19)

cpe:2.3:h:hp:color_laserjet:4650:*:*:*:*:*:*:*
cpe:2.3:h:hp:color_laserjet:5500:*:*:*:*:*:*:*
cpe:2.3:h:hp:color_laserjet:5550:*:*:*:*:*:*:*
cpe:2.3:h:hp:color_laserjet_4600:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:laserjet_2500:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:laserjet_3000:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:laserjet_3700:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:laserjet_4100_mfp:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:laserjet_4200:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:laserjet_4300:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:laserjet_9000:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:laserjet_9000_mfp:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:laserjet_9040_mpf:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:laserjet_9050:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:laserjet_9050_mpf:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:laserjet_9055:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:laserjet_9065:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:laserjet_9500:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:laserjet_9500_mpf:*:*:*:*:*:*:*:*

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