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CVE-2015-6816

25
FAUCET Score

CVE-2015-6816 describes an authentication bypass vulnerability in ganglia-web versions prior to 3.7.1, impacting Fedora Project and Ganglia products. This critical vulnerability (CVSS 9.8) allows remote, unauthenticated attackers to achieve complete compromise of confidentiality, integrity, and availability with low attack complexity. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
21CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
22CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
23CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
<= 3.7.0CPE matchmatch criteria
cpe:2.3:a:ganglia:ganglia-web:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.56%
Probability of exploitation in next 30 days
EPSS Percentile
88.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0356 is in the 80th percentile among its peer group of 36,835 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

lists.fedoraproject.org / pipermail/package-announce/2015-November/170362.html
Third Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2015-October/169641.html
Third Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2015-October/169788.html
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
ExploitIssue TrackingThird Party AdvisoryVDB Entry
github.com / ganglia/ganglia-web/issues/267
Third Party Advisory
freshports.org / sysutils/ganglia-webfrontend
PatchThird Party Advisory
openwall.com / lists/oss-security/2015/09/05/6
ExploitMailing ListVDB Entry
securityfocus.com / bid/92146
Third Party AdvisoryVDB Entry