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| Vulnerability ID | VCID-4n89-b3qw-muar |
| Aliases |
GHSA-mmcv-fvq8-r9x3
|
| Summary | Symfony XML decoding attack vector through external entities The XMLEncoder component of Symfony 2.0.x fails to disable external entities when parsing XML. In the Symfony2 framework the XML class may be used to deserialize objects or as part of a client/server API. By using external entities it is possible to include arbitrary files from the file system. |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 9.0 |
| Risk | 4.5 |
| Affected and Fixed Packages | Package Details |
| System | Score | Found at |
|---|---|---|
| cvssv3.1_qr | CRITICAL | https://github.com/advisories/GHSA-mmcv-fvq8-r9x3 |
| cvssv3.1 | 9.8 | https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/2012-02-24.yaml |
| generic_textual | CRITICAL | https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/2012-02-24.yaml |
| cvssv3.1 | 9.8 | https://github.com/symfony/symfony |
| generic_textual | CRITICAL | https://github.com/symfony/symfony |
| cvssv3.1 | 9.8 | https://github.com/symfony/symfony/commit/3e64d36cbdc34acaa82e0e6318112cd2eacb6fec |
| generic_textual | CRITICAL | https://github.com/symfony/symfony/commit/3e64d36cbdc34acaa82e0e6318112cd2eacb6fec |
| cvssv3.1 | 9.8 | https://symfony.com/blog/security-release-symfony-2-0-11-released |
| generic_textual | CRITICAL | https://symfony.com/blog/security-release-symfony-2-0-11-released |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
No EPSS data available for this vulnerability.
| Date | Actor | Action | Source | VulnerableCode Version |
|---|---|---|---|---|
| 2025-07-01T12:11:17.792413+00:00 | GithubOSV Importer | Import | https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/05/GHSA-mmcv-fvq8-r9x3/GHSA-mmcv-fvq8-r9x3.json | 36.1.3 |