CVE-2002-0677

CVE-2002-0677 is a high-severity vulnerability in Caldera Unixware with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

CDE ToolTalk database server (ttdbserver) allows remote attackers to overwrite arbitrary memory locations with a zero, and possibly gain privileges, via a file descriptor argument in an AUTH_UNIX procedure call, which is used as a table index by the _TT_ISCLOSE procedure.

Frequently asked questions

What is CVE-2002-0677?
CDE ToolTalk database server (ttdbserver) allows remote attackers to overwrite arbitrary memory locations with a zero, and possibly gain privileges, via a file descriptor argument in an AUTH_UNIX procedure call, which is used as a table index by the _TT_ISCLOSE procedure.
How severe is CVE-2002-0677?
CVE-2002-0677 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2002-0677 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0677?
CVE-2002-0677 primarily affects Caldera Unixware. In total, 46 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-0677?
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-2002-0677 published?
CVE-2002-0677 was published on 2002-07-23 and last updated on 2026-06-16.

References

Affected products (46)

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