How severe is CVE-1999-1183?

CVE-1999-1183 has a CVSS 2.0 base score of 7.6, rated high severity.

Is CVE-1999-1183 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1183?

CVE-1999-1183 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-1999-1183?

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-1999-1183 published?

CVE-1999-1183 was published on 1998-04-02 and last updated on 2026-06-16.

CVE-1999-1183

CVE-1999-1183 is a high-severity vulnerability in Sgi Irix with a CVSS 2.0 base score of 7.6. 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 7.6)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sgi Irix
Published: 1998-04-02
Last modified: 2026-06-16

Description

System Manager sysmgr GUI in SGI IRIX 6.4 and 6.3 allows remote attackers to execute commands by providing a trojan horse (1) runtask or (2) runexec descriptor file, which is used to execute a System Manager Task when the user's Mailcap entry supports the x-sgi-task or x-sgi-exec type.

Frequently asked questions

What is CVE-1999-1183?: System Manager sysmgr GUI in SGI IRIX 6.4 and 6.3 allows remote attackers to execute commands by providing a trojan horse (1) runtask or (2) runexec descriptor file, which is used to execute a System Manager Task when the user's Mailcap entry supports the x-sgi-task or x-sgi-exec type.
How severe is CVE-1999-1183?: CVE-1999-1183 has a CVSS 2.0 base score of 7.6, rated high severity.
Is CVE-1999-1183 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1183?: CVE-1999-1183 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-1999-1183?: 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-1999-1183 published?: CVE-1999-1183 was published on 1998-04-02 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:o:sgi:irix:6.3:*:*:*:*:*:*:*
cpe:2.3:o:sgi:irix:6.4:*:*:*:*:*:*:*

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