Magento Broken authentication and session managememt

published 2019-11-05 7 y ago modified 2026-06-17 4 mo ago also GHSA-8mwx-wpp4-5xh4 , EUVD-2022-3205

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.1%; EPSS 2.1% chance of exploitation in 30 days, percentile 82%
public exploits: 0; none known

Insecure authentication and session management vulnerability exists in Magento 2.2 prior to 2.2.10, Magento 2.3 prior to 2.3.3 or 2.3.2-p1. An unauthenticated user can append arbitrary session id that will not be invalidated by subsequent authentication.

Patch / fix

fixed in 2 links 1

packagist magento/community-edition 2.2.10, 2.3.2-p1
magento magento 2.2.10, 2.3.2

magento.com/security/patches/magento-2.3.3-and-2.2.10-security-update advisory

Exploit prediction

2.14% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
packagist	magento/community-edition	>=2.2, <2.2.10 >=2.3, <2.3.2-p1	2.2.10 2.3.2-p1

Affected products

Adobe Systems Incorporated Magento 2

Classification

Weakness

CWE-613 DEPRECATED: Insufficient Session Expiration
CWE-287 Improper Authentication

References

magento.com /security/patches/magento-2.3.3-and-2.2.10-security-update
web, patch, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2019-8149
advisory
github.com /FriendsOfPHP/security-advisories/blob/master/magento/product-community-edition/CVE-2019-8149.yaml
web
github.com /magento/magento2
package

Sources

CVE List CVE-2019-8149
GitHub Advisory GHSA-8mwx-wpp4-5xh4
NVD CVE-2019-8149

Fencer Vulns 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.

Summary