Netscape Communicator 4.x allows attackers to use a link to steal a user's preferences, including potentially sensitive information such as URL history, e-mail address, and possibly the e-mail password, by redefining the user_pref() function and accessing the prefs.js file, which is stored in a directory with a predictable name.
Conclusion & alert: CVE-2002-1204 is rated Moderate Risk (46.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.85%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2025-08-08 | 0.58% | 0.85% | +0.27% |
| 2 | 2025-03-30 | 1.14% | 0.58% | -0.55% |
| 3 | 2025-03-29 | — | 1.14% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| netscape | communicator | 4.6 | cpe:2.3:a:netscape:communicator:4.6:*:*:*:*:*:*:* |
| netscape | communicator | 4.7 | cpe:2.3:a:netscape:communicator:4.7:*:*:*:*:*:*:* |
| netscape | communicator | 4.61 | cpe:2.3:a:netscape:communicator:4.61:*:*:*:*:*:*:* |
| netscape | communicator | 4.72 | cpe:2.3:a:netscape:communicator:4.72:*:*:*:*:*:*:* |
| netscape | communicator | 4.73 | cpe:2.3:a:netscape:communicator:4.73:*:*:*:*:*:*:* |
| netscape | communicator | 4.74 | cpe:2.3:a:netscape:communicator:4.74:*:*:*:*:*:*:* |
| netscape | communicator | 4.75 | cpe:2.3:a:netscape:communicator:4.75:*:*:*:*:*:*:* |
| netscape | communicator | 4.76 | cpe:2.3:a:netscape:communicator:4.76:*:*:*:*:*:*:* |
| netscape | communicator | 4.77 | cpe:2.3:a:netscape:communicator:4.77:*:*:*:*:*:*:* |
| netscape | communicator | 4.78 | cpe:2.3:a:netscape:communicator:4.78:*:*:*:*:*:*:* |