CVE-1999-0687

The ToolTalk ttsession daemon uses weak RPC authentication, which allows a remote attacker to execute commands.

Published: 1999-09-13 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-0687 is rated Moderate Risk (53.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.22%). Review affected assets and schedule 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-1999-0687

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 7.29% 2.22% -5.08%
2 2025-03-30 7.51% 7.29% -0.21%
3 2025-03-29 — 7.51% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0687

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-1999-0687

Affected software / configurations for CVE-1999-0687

Vendor Product Version Raw CPE
cde cde 1.0.1 cpe:2.3:a:cde:cde:1.0.1:*:*:*:*:*:*:*
cde cde 1.0.2 cpe:2.3:a:cde:cde:1.0.2:*:*:*:*:*:*:*
cde cde 1.1 cpe:2.3:a:cde:cde:1.1:*:*:*:*:*:*:*
cde cde 1.2 cpe:2.3:a:cde:cde:1.2:*:*:*:*:*:*:*
cde cde 2.0 cpe:2.3:a:cde:cde:2.0:*:*:*:*:*:*:*
cde cde 2.1 cpe:2.3:a:cde:cde:2.1:*:*:*:*:*:*:*
cde cde 2.120 cpe:2.3:a:cde:cde:2.120:*:*:*:*:*:*:*
digital unix 4.0d cpe:2.3:o:digital:unix:4.0d:*:*:*:*:*:*:*
digital unix 4.0f cpe:2.3:o:digital:unix:4.0f:*:*:*:*:*:*:*
ibm aix 4.1 cpe:2.3:o:ibm:aix:4.1:*:*:*:*:*:*:*
ibm aix 4.1.1 cpe:2.3:o:ibm:aix:4.1.1:*:*:*:*:*:*:*
ibm aix 4.1.2 cpe:2.3:o:ibm:aix:4.1.2:*:*:*:*:*:*:*
ibm aix 4.1.3 cpe:2.3:o:ibm:aix:4.1.3:*:*:*:*:*:*:*
ibm aix 4.1.4 cpe:2.3:o:ibm:aix:4.1.4:*:*:*:*:*:*:*
ibm aix 4.1.5 cpe:2.3:o:ibm:aix:4.1.5:*:*:*:*:*:*:*
ibm aix 4.2 cpe:2.3:o:ibm:aix:4.2:*:*:*:*:*:*:*
ibm aix 4.2.1 cpe:2.3:o:ibm:aix:4.2.1:*:*:*:*:*:*:*
ibm aix 4.3 cpe:2.3:o:ibm:aix:4.3:*:*:*:*:*:*:*
ibm aix 4.3.1 cpe:2.3:o:ibm:aix:4.3.1:*:*:*:*:*:*:*
ibm aix 4.3.2 cpe:2.3:o:ibm:aix:4.3.2:*:*:*:*:*:*:*
sun solaris 2.4 cpe:2.3:o:sun:solaris:2.4:*:x86:*:*:*:*:*
sun solaris 2.5 cpe:2.3:o:sun:solaris:2.5:*:x86:*:*:*:*:*
sun solaris 2.5.1 cpe:2.3:o:sun:solaris:2.5.1:*:x86:*:*:*:*:*
sun solaris 2.6 cpe:2.3:o:sun:solaris:2.6:*:*:*:*:*:*:*
sun solaris 7.0 cpe:2.3:o:sun:solaris:7.0:*:x86:*:*:*:*:*
sun sunos — cpe:2.3:o:sun:sunos:-:*:*:*:*:*:*:*
sun sunos 4.1.3u1 cpe:2.3:o:sun:sunos:4.1.3u1:*:*:*:*:*:*:*
sun sunos 4.1.4 cpe:2.3:o:sun:sunos:4.1.4:*:*:*:*:*:*:*
sun sunos 5.3 cpe:2.3:o:sun:sunos:5.3:*:*:*:*:*:*:*
sun sunos 5.4 cpe:2.3:o:sun:sunos:5.4:*:*:*:*:*:*:*
sun sunos 5.5 cpe:2.3:o:sun:sunos:5.5:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

References for CVE-1999-0687

cvelogic Threat Intelligence