CRITICAL

CVE-2019-8341

CVSS v3

9.8

CRITICAL

EPSS Score

36.6%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

An issue was discovered in Jinja2 2.10. The from_string function is prone to Server Side Template Injection (SSTI) where it takes the "source" parameter as a template object, renders it, and then returns it. The attacker can exploit it with {{INJECTION COMMANDS}} in a URI. NOTE: The maintainer and multiple third parties believe that this vulnerability isn't valid because users shouldn't use untrusted templates without sandboxing

Technical details

Published
2/15/2019

Frequently asked questions

What is CVE-2019-8341?

An issue was discovered in Jinja2 2.10. The from_string function is prone to Server Side Template Injection (SSTI) where it takes the "source" parameter as a template object, renders it, and then returns it. The attacker can exploit it with {{INJECTION COMMANDS}} in a URI. NOTE: The maintainer and multiple third parties believe that this vulnerability isn't valid because users shouldn't use untrusted templates without sandboxing

Is CVE-2019-8341 actively exploited?

Active exploitation of CVE-2019-8341 has not been confirmed. The EPSS score is 36.6%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-8341?

CVE-2019-8341 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2019-8341 affecting your environment?

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