{"cve":"CVE-2004-2439","nvd":{"published":"2004-12-31T05:00:00.000","modified":"2026-06-16T22:09:39.320","status":"Modified","description":"The remote upgrade capability in HP LaserJet 4200 and 4300 printers does not require a password, which allows remote attackers to upgrade firmware.","cvss_v4":null,"cvss_v3":null,"cwes":[],"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"],"products":["hp:color_laserjet","hp:color_laserjet_4600","hp:laserjet_2500","hp:laserjet_3000","hp:laserjet_3700","hp:laserjet_4100_mfp","hp:laserjet_4200","hp:laserjet_4300","hp:laserjet_9000","hp:laserjet_9000_mfp","hp:laserjet_9040_mpf","hp:laserjet_9050","hp:laserjet_9050_mpf","hp:laserjet_9055","hp:laserjet_9065","hp:laserjet_9500","hp:laserjet_9500_mpf"],"source":"nvd","synced_at":"2026-10-19T19:38:22.000386253+00:00"},"epss":{"cve":"CVE-2004-2439","score":0.02205,"percentile":0.82561,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}