How severe is CVE-1999-0830?

CVE-1999-0830 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-1999-0830 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0830?

CVE-1999-0830 affects Sco Unixware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-0830?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-1999-0830 published?

CVE-1999-0830 was published on 1999-11-01 and last updated on 2026-06-16.

CVE-1999-0830

CVE-1999-0830 is a high-severity vulnerability in Sco Unixware with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sco Unixware
Published: 1999-11-01
Last modified: 2026-06-16

Description

Buffer overflow in SCO UnixWare Xsco command via a long argument.

Frequently asked questions

What is CVE-1999-0830?: Buffer overflow in SCO UnixWare Xsco command via a long argument.
How severe is CVE-1999-0830?: CVE-1999-0830 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-1999-0830 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0830?: CVE-1999-0830 affects Sco Unixware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-0830?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-1999-0830 published?: CVE-1999-0830 was published on 1999-11-01 and last updated on 2026-06-16.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0830

Affected products (1)

cpe:2.3:o:sco:unixware:7.0:*:*:*:*:*:*:*

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