CVE-2020-15842 json
Liferay Portal and Liferay DXP have Insecure Deserialization Vulnerability
published 2020-07-20 6 y ago modified 2026-06-17 4 mo ago also GHSA-mg3r-9jh8-33r9 , EUVD-2020-7823
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- maven com.liferay.portal:release.portal.bom 7.3.0
- maven com.liferay.portal:release.dxp.bom 7.0.10.fp90, 7.1.10.fp17, 7.2.10.fp5
- liferay liferay_portal 7.3.0
Exploit prediction
1.79% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.1 | CVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:N |
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | com.liferay.portal:release.portal.bom | <7.3.0 |
7.3.0 |
| maven | com.liferay.portal:release.dxp.bom | >=7.0.0, <7.0.10.fp90 >=7.1.0, <7.1.10.fp17 >=7.2.0, <7.2.10.fp5 |
7.0.10.fp90 7.1.10.fp17 7.2.10.fp5 |
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
portal.liferay.dev
/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119317427
web, vendor-advisory
-
issues.liferay.com
/browse/LPE-16963
web, issue-tracking, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-15842
advisory
-
github.com
/liferay/liferay-portal
package
Sources
- CVE List CVE-2020-15842
- GitHub Advisory GHSA-mg3r-9jh8-33r9
- NVD CVE-2020-15842
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