Vulnerability Monitor

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CVE-2002-1796

ChaiVM EZloader for HP color LaserJet 4500 and 4550 and HP LaserJet 4100 and 8150 does not properly verify JAR signatures for new services, which allows local users to load unauthorized Chai services.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.8, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 5 products from hp, from hp, from hp and 2 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2002, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2002-12-31T05:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Primary
CWE-347
Type: Secondary
CWE-347

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	hp	chaivm_ezloader	-	Yes
Hardware	hp	laserjet_4100	-	No
Hardware	hp	laserjet_4500	-	No
Hardware	hp	laserjet_4550	-	No
Hardware	hp	laserjet_8150	-	No

References

http://online.securityfocus.com/advisories/4317 Broken Link, Patch, Third Party Advisory, VDB Entry, Vendor Advisory ([email protected])
http://www.iss.net/security_center/static/9695.php Broken Link ([email protected])
http://www.phenoelit.de/stuff/HP_Chai.txt Broken Link, Vendor Advisory ([email protected])
http://www.securityfocus.com/archive/1/284648 Broken Link, Third Party Advisory, VDB Entry ([email protected])
http://www.securityfocus.com/bid/5334 Broken Link, Third Party Advisory, VDB Entry ([email protected])
http://online.securityfocus.com/advisories/4317 Broken Link, Patch, Third Party Advisory, VDB Entry, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.iss.net/security_center/static/9695.php Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.phenoelit.de/stuff/HP_Chai.txt Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/284648 Broken Link, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/5334 Broken Link, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For hp's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.