CVE-2009-4655

Exp

The dhost web service in Novell eDirectory 8.8.5 uses a predictable session cookie, which makes it easier for remote attackers to hijack sessions via a modified cookie.

Published: 2010-02-26 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-4655 is rated High Exploit Risk (77.1/100): CVSS High severity, with high exploitation likelihood (EPSS 60.34%, 98th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2009-4655

EDB-ID Source Kind Published Link
33767 exploit_db edb 2010-03-14 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-4655

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 2025-03-30 62.60% 60.34% -2.26%
2 2025-03-29 60.34% 62.60% +2.26%
3 2025-03-19 — 60.34% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-4655

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-2009-4655

Affected software / configurations for CVE-2009-4655

Vendor Product Version Raw CPE
novell edirectory 8.8.5 cpe:2.3:a:novell:edirectory:8.8.5:*:*:*:*:*:*:*

References for CVE-2009-4655

cvelogic Threat Intelligence