CVE-2019-10911 json
Improper authentication in Symfony
published 2019-05-16 7 y ago modified 2026-06-17 4 mo ago also GHSA-cchx-mfrc-fwqr , EUVD-2020-0300
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
Summary
In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, a vulnerability would allow an attacker to authenticate as a privileged user on sites with user registration and remember me login functionality enabled. This is related to symfony/security.
Patch / fix
- packagist symfony/security-http 2.7.51, 2.8.50, 3.4.26, 4.1.12, 4.2.7
- packagist symfony/security 2.7.51, 2.8.50, 3.4.26, 4.1.12, 4.2.7
- packagist symfony/symfony 2.7.51, 2.8.50, 3.4.26, 4.1.12, 4.2.7
- sensiolabs symfony 2.7.51, 2.8.50, 3.4.26, 4.1.12, 4.2.7
- drupal drupal 8.5.15, 8.6.15
- symfony Debian 14, Debian 13, Debian 12 3.4.22+dfsg-2
debian advisories DEBIAN-CVE-2019-10911
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2019-10911 updated cvss 6.8
drupal: Part of an expiry time in a remember me cookie could be considered part of the username, where modifying it would lead to authentication as a different user.
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
1.21% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.0 | AV:N/AC:M/Au:S/C:P/I:P/A:P |
| GitHub | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | symfony/security-http | >=2.7.0, <2.7.51 >=2.8.0, <2.8.50 >=3.0.0, <3.4.26 >=4.0.0, <4.1.12 >=4.2.0, <4.2.7 |
2.7.51 2.8.50 3.4.26 4.1.12 4.2.7 |
| packagist | symfony/security | >=2.7.0, <2.7.51 >=2.8.0, <2.8.50 >=3.0.0, <3.4.26 >=4.0.0, <4.1.12 >=4.2.0, <4.2.7 |
2.7.51 2.8.50 3.4.26 4.1.12 4.2.7 |
| packagist | symfony/symfony | >=2.7.0, <2.7.51 >=2.8.0, <2.8.50 >=3.0.0, <3.4.26 >=4.0.0, <4.1.12 >=4.2.0, <4.2.7 |
2.7.51 2.8.50 3.4.26 4.1.12 4.2.7 |
Classification
References
-
github.com
/symfony/symfony/commit/a29ce2817cf43bb1850cf6af114004ac26c7a081
web, patch, third-party-advisory
-
symfony.com
/blog/cve-2019-10911-add-a-separator-in-the-remember-me-cookie-hash
web, vendor-advisory
-
synology.com
/security/advisory/Synology_SA_19_19
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2019-10911
advisory
-
github.com
/FriendsOfPHP/security-advisories/blob/master/symfony/security-http/CVE-2019-10911.yaml
web
-
github.com
/FriendsOfPHP/security-advisories/blob/master/symfony/security/CVE-2019-10911.yaml
web
-
github.com
/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2019-10911.yaml
web
-
github.com
/symfony/symfony
web
-
symfony.com
/cve-2019-10911
web
Sources
- CVE List CVE-2019-10911
- GitHub Advisory GHSA-cchx-mfrc-fwqr
- NVD CVE-2019-10911
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