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Vulnerability details: VCID-rn2q-5ngn-6fhk
Vulnerability ID VCID-rn2q-5ngn-6fhk
Aliases CVE-2020-15148
GHSA-699q-wcff-g9mj
Summary Unsafe deserialization in Yii 2
Status Published
Exploitability 2.0
Weighted Severity 8.0
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-502 Deserialization of Untrusted Data
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
System Score Found at
epss 0.93433 https://api.first.org/data/v1/epss?cve=CVE-2020-15148
epss 0.93433 https://api.first.org/data/v1/epss?cve=CVE-2020-15148
epss 0.93433 https://api.first.org/data/v1/epss?cve=CVE-2020-15148
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-699q-wcff-g9mj
cvssv3.1 8.9 https://github.com/FriendsOfPHP/security-advisories/blob/master/yiisoft/yii2/CVE-2020-15148.yaml
generic_textual HIGH https://github.com/FriendsOfPHP/security-advisories/blob/master/yiisoft/yii2/CVE-2020-15148.yaml
cvssv3.1 8.9 https://github.com/yiisoft/yii2/commit/9abccb96d7c5ddb569f92d1a748f50ee9b3e2b99
generic_textual HIGH https://github.com/yiisoft/yii2/commit/9abccb96d7c5ddb569f92d1a748f50ee9b3e2b99
cvssv3.1 8.9 https://github.com/yiisoft/yii2/security/advisories/GHSA-699q-wcff-g9mj
cvssv3.1_qr HIGH https://github.com/yiisoft/yii2/security/advisories/GHSA-699q-wcff-g9mj
generic_textual HIGH https://github.com/yiisoft/yii2/security/advisories/GHSA-699q-wcff-g9mj
cvssv3.1 8.9 https://nvd.nist.gov/vuln/detail/CVE-2020-15148
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2020-15148
cvssv3.1 8.9 https://www.yiiframework.com/news/303/yii-2-0-38
generic_textual HIGH https://www.yiiframework.com/news/303/yii-2-0-38
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-15148
https://github.com/yiisoft/yii2/commit/9abccb96d7c5ddb569f92d1a748f50ee9b3e2b99
https://www.yiiframework.com/news/303/yii-2-0-38
CVE-2020-15148 https://nvd.nist.gov/vuln/detail/CVE-2020-15148
CVE-2020-15148.YAML https://github.com/FriendsOfPHP/security-advisories/blob/master/yiisoft/yii2/CVE-2020-15148.yaml
GHSA-699q-wcff-g9mj https://github.com/advisories/GHSA-699q-wcff-g9mj
GHSA-699q-wcff-g9mj https://github.com/yiisoft/yii2/security/advisories/GHSA-699q-wcff-g9mj
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H Found at https://github.com/FriendsOfPHP/security-advisories/blob/master/yiisoft/yii2/CVE-2020-15148.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H Found at https://github.com/yiisoft/yii2/commit/9abccb96d7c5ddb569f92d1a748f50ee9b3e2b99
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H Found at https://github.com/yiisoft/yii2/security/advisories/GHSA-699q-wcff-g9mj
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-15148
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H Found at https://www.yiiframework.com/news/303/yii-2-0-38
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.99827
EPSS Score 0.93433
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T20:26:51.458905+00:00 GHSA Importer Import https://github.com/advisories/GHSA-699q-wcff-g9mj 38.6.0