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.

Published: 2002-07-23 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2002-0677 is rated Moderate Risk (57.5/100): CVSS High severity, with high exploitation likelihood (EPSS 6.57%, 93th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2002-0677

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 14.94% 6.57% -8.36%
2 2026-02-01 19.03% 14.94% -4.09%
3 2025-05-24 — 19.03% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-0677

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2002-0677

Affected software / configurations for CVE-2002-0677

Vendor Product Version Raw CPE
caldera unixware 7 cpe:2.3:a:caldera:unixware:7:*:*:*:*:*:*:*
caldera unixware 7.1.1 cpe:2.3:a:caldera:unixware:7.1.1:*:*:*:*:*:*:*
caldera unixware 7.1_.0 cpe:2.3:a:caldera:unixware:7.1_.0:*:*:*:*:*:*:*
xi_graphics dextop 2.1 cpe:2.3:a:xi_graphics:dextop:2.1:*:*:*:*:*:*:*
sgi irix 5.2 cpe:2.3:o:sgi:irix:5.2:*:*:*:*:*:*:*
sgi irix 5.3 cpe:2.3:o:sgi:irix:5.3:*:*:*:*:*:*:*
sgi irix 6.0 cpe:2.3:o:sgi:irix:6.0:*:*:*:*:*:*:*
sgi irix 6.0.1 cpe:2.3:o:sgi:irix:6.0.1:*:*:*:*:*:*:*
sgi irix 6.1 cpe:2.3:o:sgi:irix:6.1:*:*:*:*:*:*:*
sgi irix 6.2 cpe:2.3:o:sgi:irix:6.2:*:*:*:*:*:*:*
sgi irix 6.3 cpe:2.3:o:sgi:irix:6.3:*:*:*:*:*:*:*
sgi irix 6.4 cpe:2.3:o:sgi:irix:6.4:*:*:*:*:*:*:*
sgi irix 6.5 cpe:2.3:o:sgi:irix:6.5:*:*:*:*:*:*:*
sgi irix 6.5.1 cpe:2.3:o:sgi:irix:6.5.1:*:*:*:*:*:*:*
sgi irix 6.5.2 cpe:2.3:o:sgi:irix:6.5.2:*:*:*:*:*:*:*
sgi irix 6.5.3 cpe:2.3:o:sgi:irix:6.5.3:*:*:*:*:*:*:*
sgi irix 6.5.4 cpe:2.3:o:sgi:irix:6.5.4:*:*:*:*:*:*:*
sgi irix 6.5.5 cpe:2.3:o:sgi:irix:6.5.5:*:*:*:*:*:*:*
sgi irix 6.5.6 cpe:2.3:o:sgi:irix:6.5.6:*:*:*:*:*:*:*
sgi irix 6.5.7 cpe:2.3:o:sgi:irix:6.5.7:*:*:*:*:*:*:*
sgi irix 6.5.8 cpe:2.3:o:sgi:irix:6.5.8:*:*:*:*:*:*:*
sgi irix 6.5.9 cpe:2.3:o:sgi:irix:6.5.9:*:*:*:*:*:*:*
sgi irix 6.5.10 cpe:2.3:o:sgi:irix:6.5.10:*:*:*:*:*:*:*
sgi irix 6.5.11 cpe:2.3:o:sgi:irix:6.5.11:*:*:*:*:*:*:*
sgi irix 6.5.12 cpe:2.3:o:sgi:irix:6.5.12:*:*:*:*:*:*:*
sgi irix 6.5.13 cpe:2.3:o:sgi:irix:6.5.13:*:*:*:*:*:*:*
sgi irix 6.5.14 cpe:2.3:o:sgi:irix:6.5.14:*:*:*:*:*:*:*
sgi irix 6.5.15 cpe:2.3:o:sgi:irix:6.5.15:*:*:*:*:*:*:*
sgi irix 6.5.16 cpe:2.3:o:sgi:irix:6.5.16:*:*:*:*:*:*:*
caldera openunix 8.0 cpe:2.3:o:caldera:openunix:8.0:*:*:*:*:*:*:*
compaq tru64 4.0f cpe:2.3:o:compaq:tru64:4.0f:*:*:*:*:*:*:*
compaq tru64 4.0g cpe:2.3:o:compaq:tru64:4.0g:*:*:*:*:*:*:*
compaq tru64 5.0a cpe:2.3:o:compaq:tru64:5.0a:*:*:*:*:*:*:*
compaq tru64 5.1 cpe:2.3:o:compaq:tru64:5.1:*:*:*:*:*:*:*
compaq tru64 5.1a cpe:2.3:o:compaq:tru64:5.1a:*:*:*:*:*:*:*
hp hp-ux 10.10 cpe:2.3:o:hp:hp-ux:10.10:*:*:*:*:*:*:*
hp hp-ux 10.20 cpe:2.3:o:hp:hp-ux:10.20:*:*:*:*:*:*:*
hp hp-ux 10.24 cpe:2.3:o:hp:hp-ux:10.24:*:*:*:*:*:*:*
hp hp-ux 11.00 cpe:2.3:o:hp:hp-ux:11.00:*:*:*:*:*:*:*
hp hp-ux 11.11 cpe:2.3:o:hp:hp-ux:11.11:*:*:*:*:*:*:*
ibm aix 4.3.3 cpe:2.3:o:ibm:aix:4.3.3:*:*:*:*:*:*:*
ibm aix 5.1 cpe:2.3:o:ibm:aix:5.1:*:*:*:*:*:*:*
sun solaris 2.6 cpe:2.3:o:sun:solaris:2.6:*:*:*:*:*:*:*
sun sunos 5.5.1 cpe:2.3:o:sun:sunos:5.5.1:*:*:*:*:*:*:*
sun sunos 5.7 cpe:2.3:o:sun:sunos:5.7:*:*:*:*:*:*:*
sun sunos 5.8 cpe:2.3:o:sun:sunos:5.8:*:*:*:*:*:*:*

References for CVE-2002-0677

cvelogic Threat Intelligence