What’s Vulnerable › Vulnerabilities

CVE-2004-2439

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2004-12-31 · updated 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.

Affected products

• HP Color Laserjet: 4650, 5500, 5550
• HP Color Laserjet 4600: all versions
• HP Laserjet 2500: all versions
• HP Laserjet 3000: all versions
• HP Laserjet 3700: all versions
• HP Laserjet 4100 Mfp: all versions
• HP Laserjet 4200: all versions
• HP Laserjet 4300: all versions
• HP Laserjet 9000: all versions
• HP Laserjet 9000 Mfp: all versions
• HP Laserjet 9040 Mpf: all versions
• HP Laserjet 9050: all versions
• HP Laserjet 9050 Mpf: all versions
• HP Laserjet 9055: all versions
• HP Laserjet 9065: all versions
• HP Laserjet 9500: all versions
• HP Laserjet 9500 Mpf: all versions

References

• http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=PSD_HPSBPI01085
• http://securitytracker.com/id?1011671
• http://www.securityfocus.com/bid/11297
• https://exchange.xforce.ibmcloud.com/vulnerabilities/17634
• http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=PSD_HPSBPI01085
• http://securitytracker.com/id?1011671
• http://www.securityfocus.com/bid/11297
• https://exchange.xforce.ibmcloud.com/vulnerabilities/17634

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