How severe is CVE-2014-8566?

CVE-2014-8566 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2014-8566 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-8566?

CVE-2014-8566 primarily affects Uninett Mod Auth Mellon. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-8566?

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

When was CVE-2014-8566 published?

CVE-2014-8566 was published on 2014-11-15 and last updated on 2026-06-17.

CVE-2014-8566

CVE-2014-8566 is a medium-severity vulnerability in Uninett Mod Auth Mellon with a CVSS 2.0 base score of 6.4. 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: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Uninett Mod Auth Mellon
Published: 2014-11-15
Last modified: 2026-06-17

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."

Frequently asked questions

What is CVE-2014-8566?: 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."
How severe is CVE-2014-8566?: CVE-2014-8566 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2014-8566 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-8566?: CVE-2014-8566 primarily affects Uninett Mod Auth Mellon. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-8566?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-8566 published?: CVE-2014-8566 was published on 2014-11-15 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:uninett:mod_auth_mellon:*:*:*:*:*:*:*:*
cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*

More vulnerabilities in Uninett Mod Auth Mellon

CVE-2014-8567 — Critical (CVSS 9.4): The mod_auth_mellon module before 0.8.1 allows remote attackers to cause a denial of service (Apache HTTP server crash)…
CVE-2016-2146 — High (CVSS 7.5): The am_read_post_data function in mod_auth_mellon before 0.11.1 does not limit the amount of data read, which allows…
CVE-2016-2145 — High (CVSS 7.5): The am_read_post_data function in mod_auth_mellon before 0.11.1 does not check if the ap_get_client_block function…
CVE-2021-3639 — Medium (CVSS 6.1): A flaw was found in mod_auth_mellon where it does not sanitize logout URLs properly. This issue could be used by an…
CVE-2017-6807 — Medium (CVSS 6.1): mod_auth_mellon before 0.13.1 is vulnerable to a Cross-Site Session Transfer attack, where a user with access to one…

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