CVE-2020-15148

Unsafe deserialization in Yii 2

CRITICAL
10
CVSS Score
Published: September 15, 2020 at 06:25 PM UTC
Updated: June 17, 2026 at 02:56 AM UTC
2 products affected across 2 vendorsYiiYii

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Severity
CRITICAL10
Exploit prediction
EPSS 78%

Description

Yii 2 (yiisoft/yii2) before version 2.0.38 is vulnerable to remote code execution if the application calls `unserialize()` on arbitrary user input. This is fixed in version 2.0.38. A possible workaround without upgrading is available in the linked advisory.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.0.38
Affected range stops below 2.0.38, so it looks safe — our inference, not a vendor statement
v < 2.0.38
Affected range stops below 2.0.38, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-502

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