How severe is CVE-1999-0424?

CVE-1999-0424 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-1999-0424 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0424?

CVE-1999-0424 affects Netscape Communicator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-0424?

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

When was CVE-1999-0424 published?

CVE-1999-0424 was published on 1999-03-18 and last updated on 2026-06-16.

CVE-1999-0424

CVE-1999-0424 is a low-severity vulnerability in Netscape Communicator with a CVSS 2.0 base score of 2.1. 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 2.1)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netscape Communicator
Published: 1999-03-18
Last modified: 2026-06-16

Description

talkback in Netscape 4.5 allows a local user to overwrite arbitrary files of another user whose Netscape crashes.

Frequently asked questions

What is CVE-1999-0424?: talkback in Netscape 4.5 allows a local user to overwrite arbitrary files of another user whose Netscape crashes.
How severe is CVE-1999-0424?: CVE-1999-0424 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-1999-0424 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0424?: CVE-1999-0424 affects Netscape Communicator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-0424?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0424 published?: CVE-1999-0424 was published on 1999-03-18 and last updated on 2026-06-16.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0424

Affected products (1)

cpe:2.3:a:netscape:communicator:4.5:*:*:*:*:*:*:*

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