CVE-2008-6121

CRLF injection vulnerability in SocialEngine (SE) 2.7 and earlier allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the PHPSESSID cookie.

Published: 2009-02-11 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2008-6121 is rated Moderate Risk (52.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.52%). Mandatory action: 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-2008-6121

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 0.57% 0.52% -0.05%
2 2025-03-29 0.51% 0.57% +0.06%
3 2023-03-07 0.51%

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-6121

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-2008-6121

Affected software / configurations for CVE-2008-6121

Vendor Product Version Raw CPE
socialengine socialengine <= 2.7 cpe:2.3:a:socialengine:socialengine:*:*:*:*:*:*:*:*

References for CVE-2008-6121

cvelogic Threat Intelligence