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CVE-2017-10789

17
FAUCET Score

CVE-2017-10789 describes a cleartext-downgrade vulnerability in the DBD::mysql Perl module (versions through 4.043). This flaw allows man-in-the-middle attackers to spoof servers by exploiting the module's interpretation of mysql_ssl=1 as optional SSL, despite documentation suggesting encryption. With a CVSS score of 5.9 (Medium), this vulnerability has a network attack vector and high impact on integrity, but requires high attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.043CPE matchmatch criteria
cpe:2.3:a:dbd-mysql_project:dbd-mysql:*:*:*:*:*:*:*:*

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:H/A:N

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

Exploit Intelligence

EPSS Score
2.20%
Probability of exploitation in next 30 days
EPSS Percentile
80.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0220 is in the 68th percentile among its peer group of 19,956 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

Vendor Patches (5)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: perl-DBD-MySQL
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: perl-DBD-MySQL
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: perl-DBD-MySQL
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-perl520-perl-DBD-MySQL
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-perl524-perl-DBD-MySQL

Vendor Advisories (1)

redhatCVE-2017-10789Moderate

perl-DBD-MySQL: Possible MITM attack when mysql_ssl=1

Jul 1, 2017

References

github.com / perl5-dbi/DBD-mysql/issues/110
Third Party Advisory
github.com / perl5-dbi/DBD-mysql/issues/140
github.com / perl5-dbi/DBD-mysql/pull/114
Third Party Advisory
securityfocus.com / bid/99364
Third Party AdvisoryVDB Entry