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    CVE-2020-7961

    Deserialization of Untrusted Data in Liferay Portal prior to 7.2.1 CE GA2 allows remote attackers to execute arbitrary code via JSON web services (JSONWS).

    Published:Mar 20, 2020
    Last Modified:Nov 7, 2025
    EPS:Mar 20, 2020
    EPSS Score:0.94412
    CVSS Score:9.8

    CISA Notification

    Description

    Deserialization of Untrusted Data in Liferay Portal prior to 7.2.1 CE GA2 allows remote attackers to execute arbitrary code via JSON web services (JSONWS).

    Required Action:

    Apply updates per vendor instructions.

    Notes:

    No extra notes provided.

    Due Date
    May 3, 2022
    1592 days ago
    Alert Date
    Nov 3, 2021
    1773 days ago

    Affected Products

    Vendor
    Liferay
    Product
    Liferay Portal

    Exploits

    https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/https://www.exploit-db.com/exploits/48332https://github.com/Alaa-abdulridha/GLiferay-CVE-2020-7961-golanghttps://github.com/Alaa-abdulridha/POC-CVE-2020-7961-Token-iteratehttps://github.com/CrackerCat/CVE-2020-7961-Masshttps://github.com/d4ngkh04w/CVE-2020-7961https://github.com/dinosn/liferay-ga4-rce-researchhttps://github.com/manrop2702/CVE-2020-7961https://github.com/mzer0one/CVE-2020-7961-POChttps://github.com/neverhavenamee/CVE-2020-7961https://github.com/NMinhTrung/LIFERAY-CVE-2020-7961https://github.com/pashayogi/CVE-2020-7961-Masshttps://github.com/shacojx/GLiferay-CVE-2020-7961-golanghttps://github.com/shacojx/LifeRCEJsonWSTool-POC-CVE-2020-7961-Guihttps://github.com/shacojx/POC-CVE-2020-7961-Token-iteratehttps://github.com/ShutdownRepo/CVE-2020-7961https://github.com/thelostworldFree/CVE-2020-7961-payloadshttps://github.com/wcxxxxx/CVE-2020-7961

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-586 Object Injection

    Related CVEs

    CVE-2025-62275 (CVSS 6.9) — Blogs in Liferay Portal 7.4.0 through 7.4.3.111, and older unsupported versions, and Liferay DXP 2023.Q4.0 thr…
    CVE-2025-62276 (CVSS 4.6) — The Document Library and the Adaptive Media modules in Liferay Portal 7.4.0 through 7.4.3.111, and older unsup…
    CVE-2025-62267 (CVSS 4.6) — Multiple cross-site scripting (XSS) vulnerabilities in web content template’s select structure page in Liferay…
    CVE-2025-62264 (CVSS 5.1) — Reflected cross-site scripting (XSS) vulnerability in Languauge Override in Liferay Portal 7.4.3.8 through 7.4…
    CVE-2025-62265 (CVSS 4.8) — Cross-site scripting (XSS) vulnerability in the Blogs widget in Liferay Portal 7.4.0 through 7.4.3.111, and ol…
    CVE-2025-62266 (CVSS 5.1) — By default, Liferay Portal 7.4.0 through 7.4.3.119, and older unsupported versions, and Liferay DXP 2024.Q1.1 …
    CVE-2025-62257 (CVSS 6.3) — Password enumeration vulnerability in Liferay Portal 7.4.0 through 7.4.3.119, and older unsupported versions, …
    CVE-2025-62258 (CVSS 7) — CSRF vulnerability in Headless API in Liferay Portal 7.4.0 through 7.4.3.107, and Liferay DXP 2023.Q3.1 throug…
    CVE-2025-62259 (CVSS 6.9) — Liferay Portal 7.4.0 through 7.4.3.109, and older unsupported versions, and Liferay DXP 2023.Q3.1 through 2023…
    CVE-2025-62260 (CVSS 7.1) — Liferay Portal 7.4.0 through 7.4.3.99, and Liferay DXP 2023.Q3.1 through 2023.Q3.4, 7.4 GA through update 92, …

    References

    http://packetstormsecurity.com/files/157254/Liferay-Portal-Java-Unmarshalling-Remote-Code-Execution.html
    http://packetstormsecurity.com/files/158392/Liferay-Portal-Remote-Code-Execution.html
    https://portal.liferay.dev/learn/security/known-vulnerabilities
    https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/117954271
    https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/
    http://packetstormsecurity.com/files/157254/Liferay-Portal-Java-Unmarshalling-Remote-Code-Execution.html
    http://packetstormsecurity.com/files/158392/Liferay-Portal-Remote-Code-Execution.html
    https://portal.liferay.dev/learn/security/known-vulnerabilities
    https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/117954271
    https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/
    https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-7961

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High