CVE-2019-19389

low-risk

Published 2019-12-26

JetBrains Ktor framework before version 1.2.6 was vulnerable to HTTP Response Splitting.

Do I need to act?

0.01% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.4/10 Medium

NETWORK / LOW complexity

Ktor

Jetbrains

Exploit https://gist.github.com/JLLeitschuh/6792947ed57d589b08c1cc8b666c7737

Mitigation https://github.com/ktorio/ktor/pull/1408

Exploit https://twitter.com/JLLeitschuh/status/1210256191110230017?s=20

Exploit https://gist.github.com/JLLeitschuh/6792947ed57d589b08c1cc8b666c7737

Mitigation https://github.com/ktorio/ktor/pull/1408

Exploit https://twitter.com/JLLeitschuh/status/1210256191110230017?s=20

/ 100

low-risk

Severity 21/34 · High

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal