How severe is CVE-1999-1554?

CVE-1999-1554 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-1999-1554 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1554?

CVE-1999-1554 primarily affects Sgi Irix. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-1554?

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

When was CVE-1999-1554 published?

CVE-1999-1554 was published on 1990-10-31 and last updated on 2026-06-16.

CVE-1999-1554

CVE-1999-1554 is a low-severity vulnerability in Sgi Irix 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% (34th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sgi Irix
Published: 1990-10-31
Last modified: 2026-06-16

Description

/usr/sbin/Mail on SGI IRIX 3.3 and 3.3.1 does not properly set the group ID to the group ID of the user who started Mail, which allows local users to read the mail of other users.

Frequently asked questions

What is CVE-1999-1554?: /usr/sbin/Mail on SGI IRIX 3.3 and 3.3.1 does not properly set the group ID to the group ID of the user who started Mail, which allows local users to read the mail of other users.
How severe is CVE-1999-1554?: CVE-1999-1554 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-1999-1554 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1554?: CVE-1999-1554 primarily affects Sgi Irix. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-1554?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-1554 published?: CVE-1999-1554 was published on 1990-10-31 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:o:sgi:irix:3.3:*:*:*:*:*:*:*
cpe:2.3:o:sgi:irix:3.3.1:*:*:*:*:*:*:*

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