Critical severity · published Nov 14, 2023
CVE-2023-47130
Unsafe deserialization of user data in yiisoft/yii
9.8
CVSS
3.1%
EPSS
No
On KEV
Description
Yii is an open source PHP web framework. yiisoft/yii before version 1.1.29 are vulnerable to Remote Code Execution (RCE) if the application calls `unserialize()` on arbitrary user input. An attacker may leverage this vulnerability to compromise the host system. A fix has been developed for the 1.1.29 release. Users are advised to upgrade. There are no known workarounds for this vulnerability.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.1% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
YI
yii · yiisoft
< 1.1.29 · source: vendor, NVD, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-47130
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-47130
Patch
https://github.com/yiisoft/yii/commit/37142be4dc5831114a375392e86d6450d4951c06
Patch
https://github.com/yiisoft/yii/security/advisories/GHSA-mw2w-2hj2-fg8q
Third Party Advisory
https://owasp.org/www-community/vulnerabilities/PHP_Object_Injection
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