CVE-2019-7849 json
Magento 2 Community Edition Session Fixation Check
published 7y ago modified 4mo ago also GHSA-v797-hfv8-v2xm , EUVD-2022-5306
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- packagist magento/community-edition 2.1.18, 2.2.9, 2.3.2
- magento magento 1.9.4.2, 1.14.4.2, 2.1.18, 2.2.9, 2.3.2
Is CVE-2019-7849 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.15% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
| GitHub | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | magento/community-edition | >=2.1.0, <2.1.18 >=2.2.0, <2.2.9 >=2.3.0, <2.3.2 |
2.1.18 2.2.9 2.3.2 |
Affected products
- n/a Magento 1 Magento 2
Classification
- Weakness
-
- CWE-384 Session Fixation
References
-
magento.com
/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-33
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2019-7849
advisory
-
github.com
/FriendsOfPHP/security-advisories/blob/master/magento/magento1ce/CVE-2019-7849.yaml
web
-
github.com
/FriendsOfPHP/security-advisories/blob/master/magento/magento1ee/CVE-2019-7849.yaml
web
-
github.com
/FriendsOfPHP/security-advisories/blob/master/magento/product-community-edition/CVE-2019-7849.yaml
web
-
web.archive.org
/web/20220121011306/https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-33
web
Sources
- CVE List CVE-2019-7849
- GitHub Advisory GHSA-v797-hfv8-v2xm
- NVD CVE-2019-7849
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.