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CVE-2004-1534

19
FAUCET Score

CVE-2004-1534 describes a denial-of-service vulnerability affecting ZoneAlarm and ZoneAlarm Pro versions prior to 5.5.062 when ad-blocking is enabled. A remote website can trigger application instability or a system hang through specially crafted JavaScript. This vulnerability has a CVSS score of 5.0, indicating a medium severity, with a network attack vector, low attack complexity, no authentication required, and a partial impact on availability. There is no evidence of active exploitation, and no public exploit code is available in Metasploit, Nuclei, or ExploitDB, although it has garnered significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
4.0CPE matchmatch criteria
cpe:2.3:a:zonelabs:zonealarm:4.0:*:pro:*:*:*:*:*
4.5CPE matchmatch criteria
cpe:2.3:a:zonelabs:zonealarm:4.5:*:pro:*:*:*:*:*
4.5.538.001CPE matchmatch criteria
cpe:2.3:a:zonelabs:zonealarm:4.5.538.001:*:pro:*:*:*:*:*
5.0.590.015CPE matchmatch criteria
cpe:2.3:a:zonelabs:zonealarm:5.0.590.015:*:pro:*:*:*:*:*
5.5CPE matchmatch criteria
cpe:2.3:a:zonelabs:zonealarm:5.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.84%
Probability of exploitation in next 30 days
EPSS Percentile
76.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0184 is in the 64th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

download.zonelabs.com / bin/free/securityAlert/18.html
PatchVendor Advisory
marc.info
secunia.com / advisories/13244
PatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/18159
securityfocus.com / bid/11706
Patch