How severe is CVE-1999-1002?

CVE-1999-1002 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-1999-1002 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1002?

CVE-1999-1002 affects Netscape Communicator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-1002?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-1999-1002 published?

CVE-1999-1002 was published on 2000-01-12 and last updated on 2026-06-16.

CVE-1999-1002

CVE-1999-1002 is a medium-severity vulnerability in Netscape Communicator 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

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netscape Communicator
Published: 2000-01-12
Last modified: 2026-06-16

Description

Netscape Navigator uses weak encryption for storing a user's Netscape mail password.

Frequently asked questions

What is CVE-1999-1002?: Netscape Navigator uses weak encryption for storing a user's Netscape mail password.
How severe is CVE-1999-1002?: CVE-1999-1002 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-1999-1002 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1002?: CVE-1999-1002 affects Netscape Communicator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1002?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-1002 published?: CVE-1999-1002 was published on 2000-01-12 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:netscape:communicator:4.7:*:*:*:*:*:*:*

More vulnerabilities in Netscape Communicator

CVE-2002-2248 — Critical (CVSS 10.0): Buffer overflow in the sun.awt.windows.WDefaultFontCharset Java class implementation in Netscape 4.0 allows remote…
CVE-2002-0593 — High (CVSS 7.5): Buffer overflow in Netscape 6 and Mozilla 1.0 RC1 and earlier allows remote attackers to cause a denial of service…
CVE-2001-0596 — High (CVSS 7.5): Netscape Communicator before 4.77 allows remote attackers to execute arbitrary Javascript via a GIF image whose comment…
CVE-2000-1187 — High (CVSS 7.5): Buffer overflow in the HTML parser for Netscape 4.75 and earlier allows remote attackers to execute arbitrary commands…
CVE-2000-0711 — High (CVSS 7.5): Netscape Communicator does not properly prevent a ServerSocket object from being created by untrusted entities, which…
CVE-1999-1189 — High (CVSS 7.5): Buffer overflow in Netscape Navigator/Communicator 4.7 for Windows 95 and Windows 98 allows remote attackers to cause a…

All CVEs affecting Netscape Communicator →