Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-21408 |
CWE-ID | CWE-94 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Smarty Web applications / CMS |
Vendor | smarty.php.net |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU61665
Risk: Medium
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-21408
CWE-ID:
CWE-94 - Improper Control of Generation of Code ('Code Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation. A remote user with access to template can run restricted static PHP methods.
MitigationInstall updates from vendor's website.
Vulnerable software versionsSmarty: 3.1 - 4.0.2
External linkshttp://github.com/smarty-php/smarty/commit/19ae410bf56007a5ef24441cdc6414619cfaf664
http://github.com/smarty-php/smarty/releases/tag/v3.1.43
http://github.com/smarty-php/smarty/security/advisories/GHSA-4h9c-v5vg-5m6m
http://github.com/smarty-php/smarty/releases/tag/v4.0.3
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.