How severe is CVE-2012-2566?

CVE-2012-2566 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-2566 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-2566?

CVE-2012-2566 affects Bloxx Web Filtering. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-2566?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-2566 published?

CVE-2012-2566 was published on 2012-06-09 and last updated on 2026-06-16.

CVE-2012-2566

CVE-2012-2566 is a medium-severity vulnerability in Bloxx Web Filtering with a CVSS 2.0 base score of 5.0. 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Bloxx Web Filtering
Published: 2012-06-09
Last modified: 2026-06-16

Description

Bloxx Web Filtering before 5.0.14 does not properly interpret X-Forwarded-For headers during access-control and logging operations for HTTPS connection attempts, which allows remote attackers to bypass intended IP address and domain restrictions, and trigger misleading log entries, via a crafted header.

Frequently asked questions

What is CVE-2012-2566?: Bloxx Web Filtering before 5.0.14 does not properly interpret X-Forwarded-For headers during access-control and logging operations for HTTPS connection attempts, which allows remote attackers to bypass intended IP address and domain restrictions, and trigger misleading log entries, via a crafted header.
How severe is CVE-2012-2566?: CVE-2012-2566 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-2566 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-2566?: CVE-2012-2566 affects Bloxx Web Filtering. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-2566?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-2566 published?: CVE-2012-2566 was published on 2012-06-09 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:bloxx:web_filtering:*:*:*:*:*:*:*:*

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