CVE-2020-5207

low-risk
Published 2020-01-27

In Ktor before 1.3.0, request smuggling is possible when running behind a proxy that doesn't handle Content-Length and Transfer-Encoding properly or doesn't handle \n as a headers separator.

Do I need to act?

-
0.00% 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
5
CVSS 5.4/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Jetbrains

References (4)

Patch https://github.com/ktorio/ktor/pull/1547
Third Party Advisory https://github.com/ktorio/ktor/security/advisories/GHSA-xrr9-rh8p-433v
Patch https://github.com/ktorio/ktor/pull/1547
Third Party Advisory https://github.com/ktorio/ktor/security/advisories/GHSA-xrr9-rh8p-433v
26
/ 100
low-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal