QID 352484

Date Published: 2021-07-21

QID 352484: Amazon Linux Security Advisory for velocity: ALAS2-2021-1690

A flaw was found in velocity.
An attacker, 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.
The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (
( CVE-2020-13936)



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Allows unauthorized disclosure of information; allows unauthorized modification; allows disruption of service.

  • CVSS V3 rated as Critical - 8.8 severity.
  • CVSS V2 rated as Critical - 9 severity.
  • Solution
    Please refer to Amazon advisory: ALAS2-2021-1690 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 352484

    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2021-1690 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2021-1690.html