8.8
HIGH
CVE-2019-13423
Search Guard Kibana Plugin Authentication Bypass Vulnerability
Description

Search Guard Kibana Plugin versions before 5.6.8-7 and before 6.x.y-12 had an issue that an authenticated Kibana user could impersonate as kibanaserver user when providing wrong credentials when all of the following conditions a-c are true: a) Kibana is configured to use Single-Sign-On as authentication method, one of Kerberos, JWT, Proxy, Client certificate. b) The kibanaserver user is configured to use HTTP Basic as the authentication method. c) Search Guard is configured to use an SSO authentication domain and HTTP Basic at the same time

INFO

Published Date :

Aug. 23, 2019, 2:15 p.m.

Last Modified :

Oct. 8, 2020, 12:58 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2019-13423 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Search-guard search_guard
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-13423.

URL Resource
https://docs.search-guard.com/6.x-25/changelog-kibana-6.x-12 Vendor Advisory
https://search-guard.com/cve-advisory/ Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-13423 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-13423 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Oct. 08, 2020

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Removed CWE NIST CWE-264
    Added CWE NIST NVD-CWE-noinfo
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CWE floragunn GmbH CWE-287
  • Initial Analysis by [email protected]

    Aug. 30, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:S/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://docs.search-guard.com/6.x-25/changelog-kibana-6.x-12 No Types Assigned https://docs.search-guard.com/6.x-25/changelog-kibana-6.x-12 Vendor Advisory
    Changed Reference Type https://search-guard.com/cve-advisory/ No Types Assigned https://search-guard.com/cve-advisory/ Vendor Advisory
    Added CWE CWE-264
    Added CPE Configuration OR *cpe:2.3:a:search-guard:search_guard:*:*:*:*:*:kibana:*:* versions up to (excluding) 5.6.8-7 *cpe:2.3:a:search-guard:search_guard:*:*:*:*:*:kibana:*:* versions from (including) 6.1.0-8 up to (excluding) 6.2.3-12
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-13423 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.10 }} 0.00%

score

0.40900

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability