Vulnerability Report

CVE-2015-4050

Title: Sensiolabs Symfony

Other

Proof Of Concept

No public PoC currently indexed for CVE-2015-4050.

CWE Category CWE-284
Published Date Jun 02, 2015
Modified Date Jun 17, 2026
Exploit Status Not Found
Score 4.3 CVSS v2.0
Exploit Probability (EPSS)
8.27%

Vulnerability Summary

CVE-2015-4050: FragmentListener in the HttpKernel component in Symfony 2.3.19 through 2.3.28, 2.4.9 through 2.4.10, 2.5.4 through 2.5.11, and 2.6.0 through 2.6.7, when ESI or SSI support enabled, does not check if the _controller attribute is set, which allows remote attackers to bypass URL signing and security rules by including (1) no hash or (2) an invalid hash in a request to /_fragment.

Impacted Vendors

A
auth0 1
S
sensiolabs 1

Reference Links

http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159513.html http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159603.html http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159610.html http://symfony.com/blog/cve-2015-4050-esi-unauthorized-access http://www.debian.org/security/2015/dsa-3276 http://www.securityfocus.com/bid/74928 http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159513.html http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159603.html http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159610.html http://symfony.com/blog/cve-2015-4050-esi-unauthorized-access http://www.debian.org/security/2015/dsa-3276 http://www.securityfocus.com/bid/74928
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2015-4050 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A
Complexity N/A
Privileges N/A
Interaction NONE
CVSS Vector String AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected Stack

No specific products linked.