How severe is CVE-1999-0790?

CVE-1999-0790 has a CVSS 2.0 base score of 2.6, rated low severity.

Is CVE-1999-0790 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0790?

CVE-1999-0790 affects Netscape Communicator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-0790?

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

When was CVE-1999-0790 published?

CVE-1999-0790 was published on 2000-04-01 and last updated on 2026-06-16.

CVE-1999-0790

CVE-1999-0790 is a low-severity vulnerability in Netscape Communicator with a CVSS 2.0 base score of 2.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 2.0 base score 2.6)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netscape Communicator
Published: 2000-04-01
Last modified: 2026-06-16

Description

A remote attacker can read information from a Netscape user's cache via JavaScript.

Frequently asked questions

What is CVE-1999-0790?: A remote attacker can read information from a Netscape user's cache via JavaScript.
How severe is CVE-1999-0790?: CVE-1999-0790 has a CVSS 2.0 base score of 2.6, rated low severity.
Is CVE-1999-0790 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0790?: CVE-1999-0790 affects Netscape Communicator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-0790?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0790 published?: CVE-1999-0790 was published on 2000-04-01 and last updated on 2026-06-16.

References

http://home.netscape.com/security/notes/jscachebrowsing.html

Affected products (1)

cpe:2.3:a:netscape:communicator:4.0:*:*:*:*:*:*:*

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