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CVE-2015-5694

21
FAUCET Score

CVE-2015-5694 describes a denial-of-service vulnerability in OpenStack Designate, Debian Designate, and Red Hat Enterprise Linux OpenStack Platform. The flaw stems from Designate's failure to enforce DNS protocol limits on record set sizes, allowing an authenticated attacker to cause a denial of service. With a CVSS score of 6.5 (MEDIUM), this vulnerability is remotely exploitable with low attack complexity, requiring only low privileges to achieve 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
1.0.0CPE matchmatch criteria
cpe:2.3:a:openstack:designate:1.0.0:a0:*:*:*:*:*:*
1.0.0.0CPE matchmatch criteria
cpe:2.3:a:openstack:designate:1.0.0.0:b1:*:*:*:*:*:*
2015.1.0CPE matchmatch criteria
cpe:2.3:a:openstack:designate:2015.1.0:*:*:*:*:*:*:*
7CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_openstack_platform:7:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.83%
Probability of exploitation in next 30 days
EPSS Percentile
76.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0183 is in the 89th percentile among its peer group of 21,951 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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

Vendor Patches (1)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)Fixed in: openstack-designate

Vendor Advisories (2)

pipGHSA-c33m-22cr-j9x4medium

Designate does not enforce the DNS protocol limit concerning record set sizes

May 24, 2022
redhatCVE-2015-5694Low

openstack-designate: Infinite loop with large resource record sets

Jul 28, 2015

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
security-tracker.debian.org / tracker/CVE-2015-5694
Third Party Advisory
openwall.com / lists/oss-security/2015/07/28/11
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2015/07/29/6
Mailing ListThird Party Advisory