Vulnerability Report

CVE-2021-32693

Title: Sensiolabs Symfony Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2021-32693.

CWE Category CWE-287
Published Date Jun 17, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 6.8 CVSS v3.1
Exploit Probability (EPSS)
1.39%

Vulnerability Summary

CVE-2021-32693: Symfony is a PHP framework for web and console applications and a set of reusable PHP components. A vulnerability related to firewall authentication is in Symfony starting with version 5.3.0 and prior to 5.3.2. When an application defines multiple firewalls, the token authenticated by one of the firewalls was available for all other firewalls. This could be abused when the application defines different providers for each part of the application, in such a situation, a user authenticated on a part of the application could be considered authenticated on the rest of the application. Starting in version 5.3.2, a patch ensures that the authenticated token is only available for the firewall that generates it.

Impacted Vendors

S
sensiolabs 1
A
auth0 1

Reference Links

https://github.com/symfony/security-http/commit/6bf4c31219773a558b019ee12e54572174ff8129 https://github.com/symfony/symfony/commit/3084764ad82f29dbb025df19978b9cbc3ab34728 https://github.com/symfony/symfony/security/advisories/GHSA-rfcf-m67m-jcrq https://symfony.com/blog/cve-2021-32693-authentication-granted-to-all-firewalls-instead-of-just-one https://github.com/symfony/security-http/commit/6bf4c31219773a558b019ee12e54572174ff8129 https://github.com/symfony/symfony/commit/3084764ad82f29dbb025df19978b9cbc3ab34728 https://github.com/symfony/symfony/security/advisories/GHSA-rfcf-m67m-jcrq https://symfony.com/blog/cve-2021-32693-authentication-granted-to-all-firewalls-instead-of-just-one
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
6.8
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
6.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:S/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-32693 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected Stack

No specific products linked.