How severe is CVE-2008-6121?

CVE-2008-6121 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2008-6121 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-6121?

CVE-2008-6121 affects Socialengine. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-6121?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2008-6121 published?

CVE-2008-6121 was published on 2009-02-11 and last updated on 2026-06-16.

CVE-2008-6121

CVE-2008-6121 is a high-severity vulnerability in Socialengine with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Socialengine
Published: 2009-02-11
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2008-6121?: CVE-2008-6121 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2008-6121 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-6121?: CVE-2008-6121 affects Socialengine. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-6121?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2008-6121 published?: CVE-2008-6121 was published on 2009-02-11 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:socialengine:socialengine:*:*:*:*:*:*:*:*

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