CVE-2020-26129: Vulnerability Analysis & Exploit Details

Status: Analyzed - Last modified: 01-12-2020 Published: 16-11-2020

CVE-2020-26129
Vulnerability Scoring

6.5
/10

Attack Complexity Details

  • Attack Complexity: Low Impact
  • Attack Vector: NETWORK
  • Privileges Required: None
  • Scope: UNCHANGED
  • User Interaction: NONE

CIA Impact Definition

  • Confidentiality: Low Impact
  • Integrity: Low Impact
  • Availability:

CVE-2020-26129 Vulnerability Summary

In JetBrains Ktor before 1.4.1, HTTP request smuggling was possible.

Access Complexity Graph for CVE-2020-26129

Impact Analysis for CVE-2020-26129

CVE-2020-26129: Detailed Information and External References

EPSS

0.00090

EPSS %

0.40401

References

0.00090

CWE

CWE-444

CAPEC

0.00090

  • HTTP Response Smuggling: An adversary manipulates and injects malicious content in the form of secret unauthorized HTTP responses, into a single HTTP response from a vulnerable or compromised back-end HTTP agent (e.g., server). See CanPrecede relationships for possible consequences. Modification/manipulation of HTTP message headers, request-line and body parameters to disrupt and interfere in the interpretation and parsing of HTTP message lengths/boundaries for consecutive HTTP messages by HTTP agents in a HTTP chain or network path.
  • HTTP Request Smuggling: An adversary abuses the flexibility and discrepancies in the parsing and interpretation of HTTP Request messages using various HTTP headers, request-line and body parameters as well as message sizes (denoted by the end of message signaled by a given HTTP header) by different intermediary HTTP agents (e.g., load balancer, reverse proxy, web caching proxies, application firewalls, etc.) to secretly send unauthorized and malicious HTTP requests to a back-end HTTP agent (e.g., web server). See CanPrecede relationships for possible consequences. Modification/manipulation of HTTP message headers, request-line and body parameters to disrupt and interfere in the interpretation and parsing of HTTP message lengths/boundaries for consecutive HTTP messages by HTTP agents in a HTTP chain or network path.

Vulnerable Configurations

  • cpe:2.3:a:jetbrains:ktor:-:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:-:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.0.2:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.0.2:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.0.3:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.0.3:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.0.4:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.0.4:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.0.5:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.0.5:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.1.2:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.1.2:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.1.3:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.1.3:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.1.4:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.1.4:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.1.5:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.1.5:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.1.6:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.1.6:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.1.7:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.1.7:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.1.8:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.1.8:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.2.2:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.2.2:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.2.3:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.2.3:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.2.4:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.2.4:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.3.0:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.3.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.3.1:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.3.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.3.2:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.3.2:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.3.3:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.3.3:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.3.4:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.3.4:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.4.0:-:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.4.0:-:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.4.0:alpha10:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.4.0:alpha10:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.4.0:alpha11:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.4.0:alpha11:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.4.0:alpha12:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.4.0:alpha12:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.4.0:alpha13:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.4.0:alpha13:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.4.0:alpha14:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.4.0:alpha14:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.4.0:alpha15:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.4.0:alpha15:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.4.0:alpha6:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.4.0:alpha6:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.4.0:alpha7:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.4.0:alpha7:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.4.0:alpha8:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.4.0:alpha8:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.4.0:alpha9:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.4.0:alpha9:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.4.1:alpha16:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.4.1:alpha16:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.0:-:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.0:-:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.0:alpha1:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.0:alpha1:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.0:alpha2:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.0:alpha2:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.0:alpha3:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.0:alpha3:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.1:-:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.1:-:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.1:alpha10:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.1:alpha10:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.1:alpha4:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.1:alpha4:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.1:alpha5:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.1:alpha5:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.1:alpha6:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.1:alpha6:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.1:alpha7:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.1:alpha7:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.1:alpha8:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.1:alpha8:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.1:alpha9:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.1:alpha9:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.2:-:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.2:-:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.2:alpha1:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.2:alpha1:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.2:alpha2:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.2:alpha2:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.2:alpha3:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.2:alpha3:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.2:alpha4:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.2:alpha4:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.2:alpha5:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.2:alpha5:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.2:alpha6:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.2:alpha6:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.3:-:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.3:-:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.3:alpha1:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.3:alpha1:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.3:alpha2:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.3:alpha2:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.3:alpha3:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.3:alpha3:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.3:alpha4:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.3:alpha4:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.3:alpha5:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.3:alpha5:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.4:-:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.4:-:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.4:dev3:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.4:dev3:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.4:alpha2:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.4:alpha2:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.5:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.5:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:0.9.5:rc13:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:0.9.5:rc13:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.0.0:rc:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.0.0:rc:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.0.0:beta1:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.0.0:beta1:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.0.0:beta2:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.0.0:beta2:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.0.0:beta3:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.0.0:beta3:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.0.0:beta4:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.0.0:beta4:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.0.0:alpha1:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.0.0:alpha1:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.0.0:alpha2:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.0.0:alpha2:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.0.0:alpha3:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.0.0:alpha3:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.1.2:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.1.2:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.1.3:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.1.3:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.1.4:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.1.4:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.1.5:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.1.5:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.2.0:rc:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.2.0:rc:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.2.0:rc2:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.2.0:rc2:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.2.0:alpha1:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.2.0:alpha1:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.2.0:alpha2:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.2.0:alpha2:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.2.2:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.2.2:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.2.3:-:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.2.3:-:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.2.3:rc:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.2.3:rc:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.2.4:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.2.4:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.2.5:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.2.5:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.2.6:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.2.6:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.3.0:-:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.3.0:-:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.3.0:beta1:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.3.0:beta1:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.3.0:beta2:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.3.0:beta2:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.3.1:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.3.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.3.2:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.3.2:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.3.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.3.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.3.2.2:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.3.2.2:*:*:*:*:*:*:*
  • cpe:2.3:a:jetbrains:ktor:1.4.0:*:*:*:*:*:*:*
    cpe:2.3:a:jetbrains:ktor:1.4.0:*:*:*:*:*:*:*

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

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