How severe is CVE-1999-0100?

CVE-1999-0100 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-1999-0100 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0100?

CVE-1999-0100 affects Isc Inn. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-0100?

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

When was CVE-1999-0100 published?

CVE-1999-0100 was published on 1997-01-01 and last updated on 2026-06-16.

CVE-1999-0100

CVE-1999-0100 is a critical-severity vulnerability in Isc Inn with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Isc Inn
Published: 1997-01-01
Last modified: 2026-06-16

Description

Remote access in AIX innd 1.5.1, using control messages.

Frequently asked questions

What is CVE-1999-0100?: Remote access in AIX innd 1.5.1, using control messages.
How severe is CVE-1999-0100?: CVE-1999-0100 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-1999-0100 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0100?: CVE-1999-0100 affects Isc Inn. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-0100?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-1999-0100 published?: CVE-1999-0100 was published on 1997-01-01 and last updated on 2026-06-16.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0100

Affected products (1)

cpe:2.3:a:isc:inn:1.5.1:*:*:*:*:*:*:*

More vulnerabilities in Isc Inn

CVE-2002-0525 — Critical (CVSS 10.0): Format string vulnerabilities in (1) inews or (2) rnews for INN 2.2.3 and earlier allow local users and remote…
CVE-1999-0754 — Critical (CVSS 10.0): The INN inndstart program allows local users to gain privileges by specifying an alternate configuration file using the…
CVE-1999-0043 — Critical (CVSS 9.8): Command execution via shell metachars in INN daemon (innd) 1.5 using "newgroup" and "rmgroup" control messages, and…
CVE-2004-0045 — High (CVSS 7.5): Buffer overflow in the ARTpost function in art.c in the control message handling code for INN 2.4.0 may allow remote…
CVE-1999-0706 — High (CVSS 7.5): Linux xmonisdn package allows local users to gain root privileges by modifying the IFS or PATH environmental variables.
CVE-1999-0705 — High (CVSS 7.5): Buffer overflow in INN inews program.

All CVEs affecting Isc Inn →