How severe is CVE-2014-2966?

CVE-2014-2966 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-2966 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-2966?

CVE-2014-2966 primarily affects Caucho Resin. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-2966?

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

When was CVE-2014-2966 published?

CVE-2014-2966 was published on 2014-07-26 and last updated on 2026-06-17.

CVE-2014-2966

CVE-2014-2966 is a medium-severity vulnerability in Caucho Resin 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Caucho Resin
Published: 2014-07-26
Last modified: 2026-06-17

Description

The ISO-8859-1 encoder in Resin Pro before 4.0.40 does not properly perform Unicode transformations, which allows remote attackers to bypass intended text restrictions via crafted characters, as demonstrated by bypassing an XSS protection mechanism.

Frequently asked questions

What is CVE-2014-2966?: The ISO-8859-1 encoder in Resin Pro before 4.0.40 does not properly perform Unicode transformations, which allows remote attackers to bypass intended text restrictions via crafted characters, as demonstrated by bypassing an XSS protection mechanism.
How severe is CVE-2014-2966?: CVE-2014-2966 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-2966 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-2966?: CVE-2014-2966 primarily affects Caucho Resin. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-2966?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-2966 published?: CVE-2014-2966 was published on 2014-07-26 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:caucho:resin:*:*:*:*:professional:*:*:*
cpe:2.3:a:caucho:resin:4.0.36:*:*:*:professional:*:*:*
cpe:2.3:a:caucho:resin:4.0.37:*:*:*:professional:*:*:*
cpe:2.3:a:caucho:resin:4.0.38:*:*:*:professional:*:*:*

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