Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-mg3r-9jh8-33r9
Advisory ID github_osv/GHSA-mg3r-9jh8-33r9
Aliases CVE-2020-15842
Summary Liferay Portal and Liferay DXP have Insecure Deserialization Vulnerability Liferay Portal before 7.3.0, and Liferay DXP 7.0 before fix pack 90, 7.1 before fix pack 17, and 7.2 before fix pack 5, allows man-in-the-middle attackers to execute arbitrary code via crafted serialized payloads, because of insecure deserialization.
Status Published
Exploitability 0.5
Weighted Severity 7.3
Risk 3.6
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-502 Deserialization of Untrusted Data
System Score Found at
cvssv3.1 8.1 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-mg3r-9jh8-33r9/GHSA-mg3r-9jh8-33r9.json
generic_textual HIGH
Reference id Reference type URL
https://github.com/liferay/liferay-portal
https://issues.liferay.com/browse/LPE-16963
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119317427
CVE-2020-15842 https://nvd.nist.gov/vuln/detail/CVE-2020-15842
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-mg3r-9jh8-33r9/GHSA-mg3r-9jh8-33r9.json
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

There are no SSVC decisions available.