CVE-2020-13249

22

FAUCET Score

CVE-2020-13249 is a critical vulnerability in MariaDB Connector/C versions prior to 3.1.8, stemming from insufficient validation of OK packets received from a server. This flaw affects various distributions of MariaDB Connector/C, including those in Fedora, openSUSE, and MariaDB itself. With a CVSS score of 8.8 (High), it presents a significant risk, allowing unauthenticated attackers to achieve high impact on confidentiality, integrity, and availability through a low-complexity network attack requiring user interaction. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 3.1.8CPE matchmatch criteria	cpe:2.3:a:mariadb:connector\/c::::::::
		15.1CPE matchmatch criteria	cpe:2.3:o:opensuse:leap:15.1:::::::*
		31CPE matchmatch criteria	cpe:2.3:o:fedoraproject:fedora:31:::::::*
		32CPE matchmatch criteria	cpe:2.3:o:fedoraproject:fedora:32:::::::*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

2.8

Impact Score

5.9

CvssVersion

3.1

Exploit Intelligence

EPSS Score

2.78%

Probability of exploitation in next 30 days

EPSS Percentile

84.9%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

This CVE's current EPSS score of 0.0278 is in the 84th percentile among its peer group of 14,875 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (23)

github_advisorypatch availablevia nvd_reference

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: mariadb:10.3-8030020201203011231.229f0a1c

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: mariadb-connector-c-0:3.1.11-2.el8_3

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.0 Update Services for SAP SolutionsFixed in: mariadb-connector-c-0:3.1.11-2.el8_0

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.0 Update Services for SAP SolutionsFixed in: mariadb:10.3-8000020201221114409.f8e95b4e

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.1 Extended Update SupportFixed in: mariadb-connector-c-0:3.1.11-2.el8_1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.1 Extended Update SupportFixed in: mariadb:10.3-8010020201214133427.c27ad7f8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.2 Extended Update SupportFixed in: mariadb:10.3-8020020201214133105.4cda2c84

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.2 Extended Update SupportFixed in: mariadb-connector-c-0:3.1.11-2.el8_2

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-mariadb102-galera-0:25.3.29-1.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-mariadb102-mariadb-1:10.2.33-1.el6

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mariadb102-galera-0:25.3.29-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mariadb102-mariadb-1:10.2.33-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mariadb103-galera-0:25.3.31-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mariadb103-mariadb-3:10.3.27-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-mariadb102-galera-0:25.3.29-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-mariadb102-mariadb-1:10.2.33-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-mariadb103-galera-0:25.3.31-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-mariadb103-mariadb-3:10.3.27-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-mariadb102-galera-0:25.3.29-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-mariadb102-mariadb-1:10.2.33-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-mariadb103-galera-0:25.3.31-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-mariadb103-mariadb-3:10.3.27-1.el7

Vendor Advisories (1)

redhatCVE-2020-13249Moderate

mariadb-connector-c: Improper validation of content in a OK packet received from server

References

lists.opensuse.org / opensuse-security-announce/2020-05/msg00064.html

Mailing ListThird Party Advisory

lists.opensuse.org / opensuse-security-announce/2020-06/msg00054.html

Broken LinkMailing ListThird Party Advisory

github.com / mariadb-corporation/mariadb-connector-c/commit/2759b87d72926b7c9b5426437a7c8dd15ff57945

PatchThird Party Advisory

github.com / mariadb-corporation/mariadb-connector-c/compare/v3.1.7...v3.1.8

Release NotesThird Party Advisory

lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/UW2ED32VEUHXFN2J3YQE27JIBV4SC2PI

lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/X4X2BMF3EILMTXGOZDTPYS3KT5VWLA2P