Vulnerability in Apache Velocity Engine

CVE-2020-13936

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.227 (97.7th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-13936: held from 0.227 to 0.227.

EPSS over last 30 days · oldest: 0.227 · newest: 0.227 · change: 0.000

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-13936?
CVE-2020-13936 is a high-severity vulnerability in Apache Velocity Engine. CVSS score: 8.8/10. Published 2021-03-10.
How severe is CVE-2020-13936?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-13936 known to be exploited?
16 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.