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Vulnerability Assessment

Impact

CVSS score of 4.0 (MEDIUM). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 0.47%.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.5% exploitation probability (EPSS)

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AnalysisAI

Unspecified vulnerability in Oracle MySQL 5.5.46 and earlier and MariaDB before 5.5.47, 10.0.x before 10.0.23, and 10.1.x before 10.1.10 allows remote authenticated users to affect availability via. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

Unspecified vulnerability in Oracle MySQL 5.5.46 and earlier and MariaDB before 5.5.47, 10.0.x before 10.0.23, and 10.1.x before 10.1.10 allows remote authenticated users to affect availability via unknown vectors related to Optimizer. Affected products include: Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Hpc Node, Redhat Enterprise Linux Hpc Node Eus, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus. Version information: before 5.5.47.

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Severity by source

NVD PRIMARY 4.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Confidentiality
None
Integrity
None
Availability
P

DescriptionCVE.org

Unspecified vulnerability in Oracle MySQL 5.5.46 and earlier and MariaDB before 5.5.47, 10.0.x before 10.0.23, and 10.1.x before 10.1.10 allows remote authenticated users to affect availability via unknown vectors related to Optimizer.

Threat Intelligence Overview

EPSS Score
0.5%
Top 35% exploitable
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.5%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

20
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +20
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_hpc_node_eus:7.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
cpe:2.3:a:mariadb:mariadb:10.0.0:*:*:*:*:*:*:*
cpe:2.3:a:mariadb:mariadb:10.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mariadb:mariadb:10.0.2:*:*:*:*:*:*:*
cpe:2.3:a:mariadb:mariadb:10.0.3:*:*:*:*:*:*:*
cpe:2.3:a:mariadb:mariadb:10.0.4:*:*:*:*:*:*:*
cpe:2.3:a:mariadb:mariadb:10.0.5:*:*:*:*:*:*:*
cpe:2.3:a:mariadb:mariadb:10.0.6:*:*:*:*:*:*:*
cpe:2.3:a:mariadb:mariadb:10.0.7:*:*:*:*:*:*:*
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References

Advisories & patches
PATCH http://www.debian.org/security/2016/dsa-3453 ADVISORY http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html ADVISORY http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html ADVISORY http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html ADVISORY https://mariadb.com/kb/en/mariadb/mariadb-10110-release-notes/ ADVISORY https://mariadb.com/kb/en/mariadb/mariadb-5547-release-notes/ ADVISORY https://mariadb.com/kb/en/mdb-10023-rn/ REF http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00033.html REF http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00034.html REF http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00051.html REF http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00053.html REF http://rhn.redhat.com/errata/RHSA-2016-0534.html REF http://rhn.redhat.com/errata/RHSA-2016-1480.html REF http://rhn.redhat.com/errata/RHSA-2016-1481.html REF http://www.debian.org/security/2016/dsa-3459 REF http://www.securityfocus.com/bid/81176 REF http://www.securitytracker.com/id/1034708 REF http://www.ubuntu.com/usn/USN-2881-1 REF https://access.redhat.com/errata/RHSA-2016:1132

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