SCA: security update for io.ktor:ktor-client-cio, io.ktor:ktor-server-cio (GHSA-xrr9-rh8p-433v)

high Tenable Self-Hosted Container Security Plugin ID 422995

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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. (CVE-2020-5207)

See Also

https://github.com/advisories/GHSA-xrr9-rh8p-433v

Plugin Details

Severity: High

ID: 422995

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 3/29/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: Low

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2020-5207

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 1/27/2020

Vulnerability Publication Date: 1/27/2020

Reference Information

CVE: CVE-2020-5207

cwe: CWE-444