CVE-2006-4099

Business Objects Crystal Enterprise 9 and 10 generates predictable session identifiers, which allows remote attackers to hijack sessions of other users via WCSID cookie values.

Published: 2006-11-29 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-4099 is rated Moderate Risk (56/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.66%). 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-2006-4099

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 1.41% 1.66% +0.25%
2 2025-12-23 1.16% 1.41% +0.26%
3 2025-07-18 — 1.16% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-4099

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-2006-4099

OS Trackers for CVE-2006-4099

vendor priority summary link
alpine — CVE-2006-4099: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-4099

Affected software / configurations for CVE-2006-4099

Vendor Product Version Raw CPE
businessobjects crystal_enterprise 9 cpe:2.3:a:businessobjects:crystal_enterprise:9:*:*:*:*:*:*:*
businessobjects crystal_enterprise 10 cpe:2.3:a:businessobjects:crystal_enterprise:10:*:*:*:*:*:*:*

References for CVE-2006-4099

cvelogic Threat Intelligence