CVE-2020-15148CWE-502

Unsafe deserialization in Yii 2

High · published September 15, 2020

Patch now

High probability of exploitation

CVSS calls it high at 8.9. It sits in the 99.6th percentile for exploit probability.

CVSS v3.1
8.9
EPSS
78%
Percentile
99.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.9 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.77538 · 99.6th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2020-09-15T18:25Z
EPSS history
Timeline
  • 15 SEP 18:25Z
    Unsafe deserialization in Yii 2
    cvelistv5