CVE-2015-5695

Exp

Designate 2015.1.0 through 1.0.0.0b1 as packaged in OpenStack Kilo does not enforce RecordSets per domain, and Records per RecordSet quotas when processing an internal zone file transfer, which might allow remote attackers to cause a denial of service (infinite loop) via a crafted resource record set.

Published: 2017-08-31 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-5695 is rated High Exploit Risk (68.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.15%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2015-5695

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2015-5695

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 2.43% 2.15% -0.29%
2 2025-03-30 5.79% 2.43% -3.36%
3 2025-03-29 — 5.79% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-5695

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 3.6 [email protected]
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 2.9 [email protected]

Weakness enumeration for CVE-2015-5695

GitHub Security Advisory for CVE-2015-5695

GHSA-m6h2-634h-jcpj · Severity: high · Ecosystem: pip — Designate mDNS DoS through incorrect handling of large RecordSets

OS Trackers for CVE-2015-5695

vendor priority summary link
debian not yet assigned CVE-2015-5695 not yet assigned priority: Debian including 1 source packages (designate), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-5695
redhat low — https://access.redhat.com/security/cve/CVE-2015-5695
ubuntu medium CVE-2015-5695 medium priority: Ubuntu including 1 source packages (designate), 8 status rows across 8 suites (precise, trusty, upstream, vivid, wily, xenial, yakkety, zesty): ignored 3, DNE 2, not-affected 2, needed 1. https://ubuntu.com/security/CVE-2015-5695

Affected software / configurations for CVE-2015-5695

Vendor Product Version Raw CPE
openstack designate 1.0.0.0b1 cpe:2.3:a:openstack:designate:1.0.0.0b1:*:*:*:*:*:*:*
openstack designate 1.0.0a0 cpe:2.3:a:openstack:designate:1.0.0a0:*:*:*:*:*:*:*
openstack designate 2015.1.0 cpe:2.3:a:openstack:designate:2015.1.0:*:*:*:*:*:*:*

References for CVE-2015-5695

cvelogic Threat Intelligence