CVE-2004-1766

CVE-2004-1766 is a medium-severity vulnerability with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The default installation of NetScreen-Security Manager before Feature Pack 1 does not enable encryption for communication with devices running ScreenOS 5.0, which allows remote attackers to obtain sensitive information via sniffing.

Frequently asked questions

What is CVE-2004-1766?
The default installation of NetScreen-Security Manager before Feature Pack 1 does not enable encryption for communication with devices running ScreenOS 5.0, which allows remote attackers to obtain sensitive information via sniffing.
How severe is CVE-2004-1766?
CVE-2004-1766 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-1766 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2004-1766?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-1766 published?
CVE-2004-1766 was published on 2004-01-20 and last updated on 2026-06-16.

References