CVE-2004-1534

ZoneAlarm and ZoneAlarm Pro before 5.5.062, with ad-blocking enabled, allows remote web sites to cause a denial of service (application instability or system hang) via certain JavaScript.

Published: 2004-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2004-1534 is rated Moderate Risk (47.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.84%). EPSS rose +1.30% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2004-1534

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.54% 1.84% +1.30%
2 2025-03-30 0.60% 0.54% -0.06%
3 2025-03-29 — 0.60% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-1534

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2004-1534

Affected software / configurations for CVE-2004-1534

Vendor Product Version Raw CPE
zonelabs zonealarm 4.0 cpe:2.3:a:zonelabs:zonealarm:4.0:*:pro:*:*:*:*:*
zonelabs zonealarm 4.5 cpe:2.3:a:zonelabs:zonealarm:4.5:*:pro:*:*:*:*:*
zonelabs zonealarm 4.5.538.001 cpe:2.3:a:zonelabs:zonealarm:4.5.538.001:*:pro:*:*:*:*:*
zonelabs zonealarm 5.0.590.015 cpe:2.3:a:zonelabs:zonealarm:5.0.590.015:*:pro:*:*:*:*:*
zonelabs zonealarm 5.5 cpe:2.3:a:zonelabs:zonealarm:5.5:*:*:*:*:*:*:*

References for CVE-2004-1534

cvelogic Threat Intelligence