CVE-1999-1136

Vulnerability in Predictive on HP-UX 11.0 and earlier, and MPE/iX 5.5 and earlier, allows attackers to compromise data transfer for Predictive messages (using e-mail or modem) between customer and Response Center Predictive systems.

Published: 1998-07-30 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-1136 is rated Low Risk (32.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.51%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-1999-1136

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 0.06% 0.51% +0.45%
2 2023-03-07 0.95% 0.06% -0.89%
3 2022-02-04 — 0.95% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-1136

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.6 2.0 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
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.
 3.9 6.4 [email protected]

Weakness enumeration for CVE-1999-1136

Affected software / configurations for CVE-1999-1136

Vendor Product Version Raw CPE
hp mpe_ix <= 5.5 cpe:2.3:o:hp:mpe_ix:*:*:*:*:*:*:*:*
hp mpe_ix 5.0 cpe:2.3:o:hp:mpe_ix:5.0:*:*:*:*:*:*:*
hp hp-ux <= 11.00 cpe:2.3:o:hp:hp-ux:*:*:*:*:*:*:*:*

References for CVE-1999-1136

cvelogic Threat Intelligence