CVE-2020-13249

Name: CVE-2020-13249
Creator: NVD / NIST
Published: 2020-05-20T19:15:09.163+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.21%

Last modified Jun 17, 2026

CVE-2020-13249 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. libmariadb/mariadb_lib.c in MariaDB Connector/C before 3.1.8 does not properly validate the content of an OK packet received from a server. NOTE: although mariadb_lib.c was originally based on code shipped for MySQL, this issue does not affect any MySQL components supported by Oracle.. EPSS estimates a 2.21% chance of exploitation in the next 30 days.

Description

libmariadb/mariadb_lib.c in MariaDB Connector/C before 3.1.8 does not properly validate the content of an OK packet received from a server. NOTE: although mariadb_lib.c was originally based on code shipped for MySQL, this issue does not affect any MySQL components supported by Oracle.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

2.21%

80.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Mariadb	Connector\/C	< 3.1.8
Opensuse	Leap	15.1
Fedoraproject	Fedora	31
Fedoraproject	Fedora	32

References

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00064.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00054.htmlBroken Link, Mailing List, Third Party Advisory
https://github.com/mariadb-corporation/mariadb-connector-c/commit/2759b87d72926b7c9b5426437a7c8dd15ff57945Patch, Third Party Advisory
https://github.com/mariadb-corporation/mariadb-connector-c/compare/v3.1.7...v3.1.8Release Notes, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UW2ED32VEUHXFN2J3YQE27JIBV4SC2PI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X4X2BMF3EILMTXGOZDTPYS3KT5VWLA2P/
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00064.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00054.htmlBroken Link, Mailing List, Third Party Advisory
https://github.com/mariadb-corporation/mariadb-connector-c/commit/2759b87d72926b7c9b5426437a7c8dd15ff57945Patch, Third Party Advisory
https://github.com/mariadb-corporation/mariadb-connector-c/compare/v3.1.7...v3.1.8Release Notes, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UW2ED32VEUHXFN2J3YQE27JIBV4SC2PI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X4X2BMF3EILMTXGOZDTPYS3KT5VWLA2P/

Timeline

Published: May 20, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13249?

How severe is CVE-2020-13249?

CVE-2020-13249 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.21% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13249?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-13249?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST