How severe is CVE-1999-0637?

CVE-1999-0637 has a CVSS 2.0 base score of 0.0, rated none severity.

Is CVE-1999-0637 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-1999-0637?

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

When was CVE-1999-0637 published?

CVE-1999-0637 was published on 1999-01-01 and last updated on 2026-06-16.

CVE-1999-0637

CVE-1999-0637 is a none-severity vulnerability with a CVSS 2.0 base score of 0.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: None (CVSS 2.0 base score 0.0)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Published: 1999-01-01
Last modified: 2026-06-16

Description

The systat service is running.

Frequently asked questions

What is CVE-1999-0637?: The systat service is running.
How severe is CVE-1999-0637?: CVE-1999-0637 has a CVSS 2.0 base score of 0.0, rated none severity.
Is CVE-1999-0637 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-1999-0637?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0637 published?: CVE-1999-0637 was published on 1999-01-01 and last updated on 2026-06-16.

References

https://www.cve.org/CVERecord?id=CVE-1999-0637