How severe is CVE-1999-1501?

CVE-1999-1501 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-1999-1501 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-1999-1501?

CVE-1999-1501 affects Sgi Irix. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-1501?

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

When was CVE-1999-1501 published?

CVE-1999-1501 was published on 1998-04-08 and last updated on 2026-06-16.

CVE-1999-1501

CVE-1999-1501 is a medium-severity vulnerability in Sgi Irix with a CVSS 2.0 base score of 4.6. 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 4.6)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sgi Irix
Published: 1998-04-08
Last modified: 2026-06-16

Description

(1) ipxchk and (2) ipxlink in SGI OS2 IRIX 6.3 does not properly clear the IFS environmental variable before executing system calls, which allows local users to execute arbitrary commands.

Frequently asked questions

What is CVE-1999-1501?: (1) ipxchk and (2) ipxlink in SGI OS2 IRIX 6.3 does not properly clear the IFS environmental variable before executing system calls, which allows local users to execute arbitrary commands.
How severe is CVE-1999-1501?: CVE-1999-1501 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-1999-1501 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-1999-1501?: CVE-1999-1501 affects Sgi Irix. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1501?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-1501 published?: CVE-1999-1501 was published on 1998-04-08 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:sgi:irix:6.3:*:*:*:*:*:*:*

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