Is CVE-2014-8566 in the CISA KEV catalog?

No. CVE-2014-8566 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-8566?

CVE-2014-8566 has a CVSS v2 base score of 6.4 (MEDIUM).

What is the EPSS score for CVE-2014-8566?

CVE-2014-8566 has an EPSS score of 2.73% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2014-8566?

Upgrade libapache2-mod-auth-mellon on debian 11 to 0.9.1 or later.

CVE & CISA-KEV Catalog

CVE-2014-8566

MEDIUMEPSS 84th pctl

6.4

CVSS v2

NVD

Description

The mod_auth_mellon module before 0.8.1 allows remote attackers to obtain sensitive information or cause a denial of service (segmentation fault) via unspecified vectors related to a "session overflow" involving "sessions overlapping in memory."

CWE-200Information Exposure

How to fix

Remediation Available

libapache2-mod-auth-mellonDebian

Fixed in:0.9.1CVE-2014-8566

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.73%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Patch2

Other references4

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2021-34429	Medium	5.3	99%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.