9.1
CRITICAL
CVE-2021-29943
Apache Solr ConfigurableInternodeAuthHadoopPlugin Credential Forgery Vulnerability
Description

When using ConfigurableInternodeAuthHadoopPlugin for authentication, Apache Solr versions prior to 8.8.2 would forward/proxy distributed requests using server credentials instead of original client credentials. This would result in incorrect authorization resolution on the receiving hosts.

INFO

Published Date :

April 13, 2021, 7:15 a.m.

Last Modified :

Nov. 21, 2024, 6:02 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.2

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2021-29943 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-29943 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 Apache solr
: Total Affected Vendor : 1 | Products : 1
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-2021-29943.

URL Resource
https://lists.apache.org/thread.html/r91dd0ff556e0c9aab4c92852e0e540c59d4633718ce12881558cf44d%40%3Cusers.solr.apache.org%3E Mailing List Vendor Advisory
https://security.netapp.com/advisory/ntap-20210604-0009/ Third Party Advisory
https://lists.apache.org/thread.html/r91dd0ff556e0c9aab4c92852e0e540c59d4633718ce12881558cf44d%40%3Cusers.solr.apache.org%3E Mailing List Vendor Advisory
https://security.netapp.com/advisory/ntap-20210604-0009/ Third Party 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).

Profile Photo
GGStudy-DDUp/2021hvv_vul

None

Python Java HTML JavaScript

Updated: 2 years, 1 month ago
0 stars 0 fork 0 watcher
Born at : Oct. 19, 2022, 2:13 a.m. This repo has been linked 7 different CVEs too.
Profile Photo
kenlavbah/log4jnotes

None

Updated: 3 years ago
0 stars 0 fork 0 watcher
Born at : Dec. 16, 2021, 8:16 p.m. This repo has been linked 24 different CVEs too.
Profile Photo
YinWC/2021hvv_vul

2021hvv漏洞汇总

Python Java HTML JavaScript

Updated: 1 week, 6 days ago
669 stars 231 fork 231 watcher
Born at : April 24, 2021, 4:08 a.m. This repo has been linked 7 different CVEs too.

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

The following list is the news that have been mention CVE-2021-29943 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-29943 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/r91dd0ff556e0c9aab4c92852e0e540c59d4633718ce12881558cf44d%40%3Cusers.solr.apache.org%3E
    Added Reference https://security.netapp.com/advisory/ntap-20210604-0009/
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Jun. 08, 2021

    Action Type Old Value New Value
    Changed Reference Type https://security.netapp.com/advisory/ntap-20210604-0009/ No Types Assigned https://security.netapp.com/advisory/ntap-20210604-0009/ Third Party Advisory
  • CVE Modified by [email protected]

    Jun. 04, 2021

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20210604-0009/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 19, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
    Changed Reference Type https://lists.apache.org/thread.html/r91dd0ff556e0c9aab4c92852e0e540c59d4633718ce12881558cf44d%40%3Cusers.solr.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r91dd0ff556e0c9aab4c92852e0e540c59d4633718ce12881558cf44d%40%3Cusers.solr.apache.org%3E Mailing List, Vendor Advisory
    Added CWE NIST CWE-863
    Added CPE Configuration OR *cpe:2.3:a:apache:solr:*:*:*:*:*:*:*:* versions up to (excluding) 8.8.2
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-2021-29943 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-29943 weaknesses.

Exploit Prediction

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

0.23 }} 0.09%

score

0.60973

percentile

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