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Fencer Intel
high 7.5

CVE-2019-10911 json

Improper authentication in Symfony

published 7y ago modified 4mo 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

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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 products
    not 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

1.22% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-09).

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

Weakness
  • CWE-287 Improper Authentication
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

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.