How severe is CVE-2011-3613?

CVE-2011-3613 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2011-3613 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3613?

CVE-2011-3613 affects Vanillaforums Vanilla. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-3613?

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-2011-3613 published?

CVE-2011-3613 was published on 2020-01-22 and last updated on 2026-06-16.

CVE-2011-3613

CVE-2011-3613 is a high-severity vulnerability in Vanillaforums Vanilla with a CVSS 3.x 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Vanillaforums Vanilla
Published: 2020-01-22
Last modified: 2026-06-16

Description

An issue exists in Vanilla Forums before 2.0.17.9 due to the way cookies are handled.

Frequently asked questions

What is CVE-2011-3613?: An issue exists in Vanilla Forums before 2.0.17.9 due to the way cookies are handled.
How severe is CVE-2011-3613?: CVE-2011-3613 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2011-3613 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3613?: CVE-2011-3613 affects Vanillaforums Vanilla. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-3613?: 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-2011-3613 published?: CVE-2011-3613 was published on 2020-01-22 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:vanillaforums:vanilla:*:*:*:*:*:*:*:*

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