RCE in Jetbrains Ktor

CVE-2019-12736

JetBrains Ktor framework before 1.2.0-rc does not sanitize the username provided by the user for the LDAP protocol, leading to command injection.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.022 (80.7th 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 Ktor
N/a — versions n/a

Weakness classification (CWE)

CWE-77 — Command Injection

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2019-12736?: CVE-2019-12736 is a critical-severity vulnerability in Jetbrains Ktor, classified under Command Injection. CVSS score: 9.8/10. Published 2019-10-02.
How severe is CVE-2019-12736?: Critical severity. CVSS v3 base score is 9.8 out of 10.