Session Fixation in Symfony security-bundle



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-41268
CWE-ID CWE-384
Exploitation vector Network
Public exploit N/A
Vulnerable software
 security-bundle
Web applications / Modules and components for CMS

Vendor Symfony

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Session Fixation

EUVDB-ID: #VU58369

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-41268

CWE-ID: CWE-384 - Session Fixation

Exploit availability: No

Description

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to the cookie is not invalidated anymore when the user changes its password. A remote authenticated attacker can maintain their access to the account even if the password is changed.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

security-bundle: 5.3.0 RC1 - 5.3.11

CPE2.3 External links

https://github.com/symfony/symfony/security/advisories/GHSA-qw36-p97w-vcqr
https://github.com/symfony/symfony/releases/tag/v5.3.12
https://github.com/symfony/symfony/commit/36a808b857cd3240244f4b224452fb1e70dc6dfc
https://github.com/symfony/symfony/pull/44243


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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