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CVE-2015-6569

17
FAUCET Score

CVE-2015-6569 describes a race condition in the LoadBalancer module of Atlassian Floodlight Controller versions prior to 1.2. This vulnerability allows remote attackers to trigger a denial of service by manipulating the system's state, leading to a NULL pointer dereference and thread crash. Rated Medium severity (CVSS 5.9), it requires high attack complexity but can be exploited over the network without authentication, resulting in high availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.2CPE matchmatch criteria
cpe:2.3:a:atlassian:floodlight:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.90%
Probability of exploitation in next 30 days
EPSS Percentile
77.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0190 is in the 60th percentile among its peer group of 19,954 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

floodlight.atlassian.net / wiki/spaces/floodlightcontroller/pages/24805419/Floodlight+v1.2
Release NotesVendor Advisory
github.com / floodlight/floodlight/pull/563
Issue TrackingThird Party Advisory
securityfocus.com / bid/103132
Third Party AdvisoryVDB Entry