Unsafe deserialization in Yii 2
CVE-2020-15148

8.9HIGH

Key Information:

Vendor

Yiisoft

Status
Yii2
Vendor
CVE Published:
15 September 2020

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 91%

What is CVE-2020-15148?

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 Version(s)

yii2 < 2.0.38

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-15148-bypasses
Created by Maskhe

cve-2020-15148
Created by 0xkami

References

https://github.com/yiisoft/yii2/security/advisories/GHSA-...
x_refsource_CONFIRM
https://github.com/yiisoft/yii2/commit/9abccb96d7c5ddb569...
x_refsource_MISC

EPSS Score

91% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.9
Severity:
HIGH
Confidentiality:
Low
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.