CVE-1999-1075: n/a vulnerability

CVE-1999-1075: inetd in AIX 4.1.5 dynamically assigns a port N when starting ttdbserver (ToolTalk server), but also inadve...

inetd in AIX 4.1.5 dynamically assigns a port N when starting ttdbserver (ToolTalk server), but also inadvertently listens on port N-1 without passing control to ttdbserver, which allows remote attackers to cause a denial of service via a large number of connections to port N-1, which are not properly closed by inetd.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 1, 2024, 17:02 UTC (UTC+00:00)

Security readout for executives and security teams

This old AIX issue can let a remote attacker exhaust inetd by opening many connections to an unintended adjacent port used around ToolTalk startup. The likely business impact is availability disruption on legacy AIX 4.1.5 systems, not data theft. The source bundle does not name a patch or current exploit activity. Exposure is most likely limited to legacy AIX 4.1.5 hosts running inetd-managed ttdbserver or ToolTalk services. Modern environments are unlikely to be affected unless obsolete AIX systems remain reachable on internal or external networks. Treat this as a legacy exposure management issue. It is not listed in KEV and no active exploitation is cited, but any reachable AIX 4.1.5 system should be isolated or retired because unsupported infrastructure carries broader operational risk. Mitigation focus: Identify any remaining AIX 4.1.5 systems and ToolTalk service usage.; Check IBM or vendor guidance for supported fixes or retirement paths.; Disable ttdbserver or ToolTalk where it is not operationally required..

Prepared: Jul 1, 2026, 09:01 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Sep 12, 2001, 04:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

0ADP providers

1Source links

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No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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