RCE in Jetbrains Youtrack

CVE-2021-25770

In JetBrains YouTrack before 2020.5.3123, server-side template injection (SSTI) was possible, which could lead to code execution.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.035 (87.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-25770?
CVE-2021-25770 is a critical-severity vulnerability in Jetbrains Youtrack, classified under Code Injection. CVSS score: 9.8/10. Published 2021-02-03.
How severe is CVE-2021-25770?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-25770 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.