CRITICAL

CVE-2020-13942

CVSS v3

9.8

CRITICAL

EPSS Score

94.3%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

It is possible to inject malicious OGNL or MVEL scripts into the /context.json public endpoint. This was partially fixed in 1.5.1 but a new attack vector was found. In Apache Unomi version 1.5.2 scripts are now completely filtered from the input. It is highly recommended to upgrade to the latest available version of the 1.5.x release to fix this problem.

Technical details

Published
11/24/2020

Frequently asked questions

What is CVE-2020-13942?

It is possible to inject malicious OGNL or MVEL scripts into the /context.json public endpoint. This was partially fixed in 1.5.1 but a new attack vector was found. In Apache Unomi version 1.5.2 scripts are now completely filtered from the input. It is highly recommended to upgrade to the latest available version of the 1.5.x release to fix this problem.

Is CVE-2020-13942 actively exploited?

Active exploitation of CVE-2020-13942 has not been confirmed. The EPSS score is 94.3%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-13942?

CVE-2020-13942 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2020-13942 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.