CVE-2019-7849: Magento 2 Community Edition Session Fixation Check

Published Jun 25, 2019
·
Updated

A defense-in-depth check was added to mitigate inadequate session validation handling by 3rd party checkout modules. This impacts Magento 1.x prior to 1.9.4.2, Magento Commerce prior to 1.14.4.2, Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9 and Magento 2.3 prior to 2.3.2.

Other sources

Magento 2 Community Edition Session Fixation Check

— Packagist

PRODSECBUG-2095: Defense-in-depth session validation check implemented

Affected Software

19 affected componentsFixes available
composer/magento/magento1ee>=1, <1.14.4.2
composer/magento/product-community-edition>=2.1, <2.1.18, >=2.2, <2.2.9, >=2.3, <2.3.2
composer/magento/magento1ce>=1, <1.9.4.2
composer/magento/community-edition>=2.3.0<2.3.2
2.3.2
composer/magento/community-edition>=2.2.0<2.2.9
2.2.9
composer/magento/community-edition>=2.1.0<2.1.18
2.1.18
Magento Magento<1.14.4.2
Magento Magento>=1.0.0<1.9.4.2
Magento Magento>=2.1.0<2.1.18
Magento Magento>=2.2.0<2.2.9
Magento Magento>=2.3.0<2.3.2
composer/magento/community-edition>=2.3.0, <2.3.2
2.3.2
composer/magento/community-edition>=2.2.0, <2.2.9
2.2.9
composer/magento/community-edition>=2.1.0, <2.1.18
2.1.18
composer/magento/product-community-edition>=2.1, <2.1.18
2.1.18
composer/magento/product-community-edition>=2.2, <2.2.9
2.2.9
composer/magento/product-community-edition>=2.3, <2.3.2
2.3.2
composer/magento/magento1ee>=1, <1.14.4.2
1.14.4.2
composer/magento/magento1ce>=1, <1.9.4.2
1.9.4.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade composer/magento/community-edition to a version that resolves this vulnerability.

    Fixed in 2.3.2
  2. Upgrade

    Upgrade composer/magento/community-edition to a version that resolves this vulnerability.

    Fixed in 2.2.9
  3. Upgrade

    Upgrade composer/magento/community-edition to a version that resolves this vulnerability.

    Fixed in 2.1.18
  4. Upgrade

    Upgrade composer/magento/product-community-edition to a version that resolves this vulnerability.

    Fixed in 2.1.18
  5. Upgrade

    Upgrade composer/magento/product-community-edition to a version that resolves this vulnerability.

    Fixed in 2.2.9
  6. Upgrade

    Upgrade composer/magento/product-community-edition to a version that resolves this vulnerability.

    Fixed in 2.3.2
  7. Upgrade

    Upgrade composer/magento/magento1ee to a version that resolves this vulnerability.

    Fixed in 1.14.4.2
  8. Upgrade

    Upgrade composer/magento/magento1ce to a version that resolves this vulnerability.

    Fixed in 1.9.4.2
  9. Upgrade

    Upgrade Magento to a version that resolves this vulnerability.

    Patch PRODSECBUG-2095

Event History

Jun 25, 2019
Advisory Published
12:00 AM
Data Sourced
via Packagist·12:00 AM
DescriptionSeverityAffected Software
Aug 2, 2019
CVE Published
via MITRE·09:10 PM
Data Sourced
via MITRE·09:10 PM
DescriptionWeakness
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeaknessAffected Software
May 24, 2022
Advisory Published
via GitHub·04:52 PM
Data Sourced
via GitHub·04:52 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2019-7849?

CVE-2019-7849 has been rated as a medium severity vulnerability.

2

How do I fix CVE-2019-7849?

To fix CVE-2019-7849, upgrade to Magento 1.9.4.2 or later, Magento Commerce 1.14.4.2 or later, Magento 2.1.18, Magento 2.2.9, or Magento 2.3.2.

3

Which versions of Magento are affected by CVE-2019-7849?

CVE-2019-7849 affects Magento 1.x versions prior to 1.9.4.2 and Magento 2.x versions prior to 2.1.18, 2.2.9, and 2.3.2.

4

Is CVE-2019-7849 a common vulnerability?

CVE-2019-7849 is specific to Magento and can be common among users of outdated versions.

5

What type of vulnerability is CVE-2019-7849?

CVE-2019-7849 is related to inadequate session validation handling in third-party checkout modules.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203