CVE-2020-13936

Velocity Sandbox Bypass

Published Mar 10, 2021 CVSS 3.1 · 8.8 High EPSS 22.7% KEV · Not listed
Description
An attacker that is able to modify Velocity templates may execute arbitrary Java code or run arbitrary system commands with the same privileges as the account running the Servlet container. This applies to applications that allow untrusted users to upload/modify velocity templates running Apache Velocity Engine versions up to 2.2.

Remediation

Vendor Workaround

Applications using Apache Velocity that allow untrusted users to upload templates should upgrade to version 2.3. This version adds additional default restrictions on what methods/properties can be accessed in a template.

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2595-1 velocity security update
Github GHSA Github GHSA GHSA-59j4-wjwp-mw9m Sandbox Bypass in Apache Velocity Engine
Ubuntu USN Ubuntu USN USN-6281-1 Velocity Engine vulnerability
References
Link Providers
http://www.openwall.com/lists/oss-security/2021/03/10/1 cve-icon cve-icon
https://lists.apache.org/thread.html/r01043f584cbd47959fabe18fff64de940f81a65024bb8dddbda31d9a%40%3Cuser.velocity.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r0bc98e9cd080b4a13b905c571b9bed87e1a0878d44dbf21487c6cca4%40%3Cdev.santuario.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r17cb932fab14801b14e5b97a7f05192f4f366ef260c10d4a8dba8ac9%40%3Cdev.ws.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r293284c6806c73f51098001ea86a14271c39f72cd76af9e946d9d9ad%40%3Cdev.ws.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r39de20c7e9c808b1f96790875d33e58c9c0aabb44fd9227e7b3dc5da%40%3Cdev.ws.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r3ea4c4c908505b20a4c268330dfe7188b90c84dcf777728d02068ae6%40%3Cannounce.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r4cd59453b65d4ac290fcb3b71fdf32b4f1f8989025e89558deb5a245%40%3Cdev.ws.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r52a5129df402352adc34d052bab9234c8ef63596306506a89fdc7328%40%3Cusers.activemq.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r7f209b837217d2a0fe5977fb692e7f15d37fa5de8214bcdc4c21d9a7%40%3Ccommits.turbine.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r9dc2505651788ac668299774d9e7af4dc616be2f56fdc684d1170882%40%3Cusers.activemq.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rb042f3b0090e419cc9f5a3d32cf0baff283ccd6fcb1caea61915d6b6%40%3Ccommits.velocity.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rbee7270556f4172322936b5ecc9fabf0c09f00d4fa56c9de1963c340%40%3Cdev.ws.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rd2a89e17e8a9b451ce655f1a34117752ea1d18a22ce580d8baa824fd%40%3Ccommits.druid.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rd7e865c87f9043c21d9c1fd9d4df866061d9a08cfc322771160d8058%40%3Cdev.ws.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/re641197d204765130618086238c73dd2ce5a3f94b33785b587d72726%40%3Cdev.ws.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/re8e7482fe54d289fc0229e61cc64947b63b12c3c312e9f25bf6f3b8c%40%3Cdev.ws.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/reab5978b54a9f4c078402161e30a89c42807b198814acadbe6c862c7%40%3Cdev.ws.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rf7d369de88dc88a1347006a3323b3746d849234db40a8edfd5ebc436%40%3Cdev.ws.apache.org%3E cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2021/03/msg00019.html cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2020-13936 cve-icon
https://security.gentoo.org/glsa/202107-52 cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2020-13936 cve-icon
https://www.oracle.com/security-alerts/cpuapr2022.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpujan2022.html cve-icon cve-icon
History
Type Values Removed Values Added
Metrics epss

{'score': 0.12103}

epss

{'score': 0.10626}

Type Values Removed Values Added
First Time appeared Redhat jboss Enterprise Application Platform Eus
CPEs cpe:/a:redhat:jboss_enterprise_application_platform_eus:7.1::el7
cpe:/a:redhat:jboss_enterprise_application_platform_eus:7.3::el7
Vendors & Products Redhat jboss Enterprise Application Platform Eus