Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-vrwx-q9pj-x488
Advisory ID github_osv/GHSA-vrwx-q9pj-x488
Aliases CVE-2020-15840
Summary Liferay Portal and Liferay DXP Bypass via Double Encoded URL In Liferay Portal before 7.3.1, com.liferay.portal:com.liferay.portal.impl before 7.1.3 and 7.4.0, Liferay Portal 6.2 EE, and Liferay DXP 7.2, DXP 7.1 and DXP 7.0, the property 'portlet.resource.id.banned.paths.regexp' can be bypassed with doubled encoded URLs.
Status Published
Exploitability 0.5
Weighted Severity 4.8
Risk 2.4
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-284 Improper Access Control
System Score Found at
cvssv3.1 5.3 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-vrwx-q9pj-x488/GHSA-vrwx-q9pj-x488.json
generic_textual MODERATE
Reference id Reference type URL
https://github.com/liferay/liferay-portal
https://issues.liferay.com/browse/LPE-17046
https://portal.liferay.dev/learn/security/known-vulnerabilities
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119772204
https://security.snyk.io/vuln/SNYK-JAVA-COMLIFERAYPORTAL-1296538
CVE-2020-15840 https://nvd.nist.gov/vuln/detail/CVE-2020-15840
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:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-vrwx-q9pj-x488/GHSA-vrwx-q9pj-x488.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.