What is CVE-2021-43185?

CVE-2021-43185 is a critical-severity vulnerability in Jetbrains Youtrack, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.8/10. Published 2021-11-09.

How severe is CVE-2021-43185?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Jetbrains Youtrack

CVE-2021-43185

JetBrains YouTrack before 2021.3.23639 is vulnerable to Host header injection.

EPSS: 0.019 (77.9th 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

Jetbrains Youtrack
N/a — versions n/a

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-43185?: CVE-2021-43185 is a critical-severity vulnerability in Jetbrains Youtrack, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.8/10. Published 2021-11-09.
How severe is CVE-2021-43185?: Critical severity. CVSS v3 base score is 9.8 out of 10.