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CVE-2016-0639

34
FAUCET Score

CVE-2016-0639 is an unspecified vulnerability impacting Oracle MySQL versions 5.6.29 and earlier, and 5.7.11 and earlier, specifically within the Pluggable Authentication component. This critical vulnerability carries a CVSSv3 score of 9.8, indicating it can be exploited remotely without authentication, leading to complete compromise of confidentiality, integrity, and availability. While highly severe, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), nor is it listed on the CISA KEV catalog, suggesting no active exploitation. Furthermore, there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
>= 5.6.0, <= 5.6.29CPE matchmatch criteria
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
>= 5.7.0, <= 5.7.11CPE matchmatch criteria
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*

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
10.14%
Probability of exploitation in next 30 days
EPSS Percentile
95.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.1014 is in the 91st percentile among its peer group of 36,821 CVEs.

Social Chatter

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

Patch Available

Vendor Patches (7)

oraclepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-mysql56-mysql-0:5.6.30-1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUSFixed in: rh-mysql56-mysql-0:5.6.30-1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSFixed in: rh-mysql56-mysql-0:5.6.30-1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mysql56-mysql-0:5.6.30-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUSFixed in: rh-mysql56-mysql-0:5.6.30-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUSFixed in: rh-mysql56-mysql-0:5.6.30-1.el7
View patch

Vendor Advisories (1)

redhatCVE-2016-0639Critical

mysql: unspecified vulnerability in subcomponent: Server: Pluggable Authentication (CPU April 2016)

Apr 21, 2016

References

lists.opensuse.org / opensuse-security-announce/2016-05/msg00053.html
Mailing ListThird Party Advisory
rhn.redhat.com / errata/RHSA-2016-0705.html
Third Party Advisory
oracle.com / technetwork/security-advisory/cpuapr2016v3-2985753.html
PatchVendor Advisory
securityfocus.com / bid/86418
Third Party AdvisoryVDB Entry
securitytracker.com / id/1035606
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-2953-1
Third Party Advisory
ubuntu.com / usn/USN-2954-1
Third Party Advisory