7.5
HIGH
CVE-2021-33900
Apache Directory Studio StartTLS Encryption and Confidentiality Layer Vulnerability
Description

While investigating DIRSTUDIO-1219 it was noticed that configured StartTLS encryption was not applied when any SASL authentication mechanism (DIGEST-MD5, GSSAPI) was used. While investigating DIRSTUDIO-1220 it was noticed that any configured SASL confidentiality layer was not applied. This issue affects Apache Directory Studio version 2.0.0.v20210213-M16 and prior versions.

INFO

Published Date :

July 26, 2021, 7:15 a.m.

Last Modified :

Oct. 27, 2022, 12:28 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-33900 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 directory_studio
: 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-2021-33900.

URL Resource
https://lists.apache.org/thread.html/rb1dbcc43a5b406e45d335343a1704f4233de613140a01929d102fdc9%40%3Cusers.directory.apache.org%3E Mailing List 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-2021-33900 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-33900 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
  • Reanalysis by [email protected]

    Oct. 27, 2022

    Action Type Old Value New Value
    Removed CWE NIST CWE-311
    Added CWE NIST CWE-319
  • Initial Analysis by [email protected]

    Aug. 09, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://lists.apache.org/thread.html/rb1dbcc43a5b406e45d335343a1704f4233de613140a01929d102fdc9%40%3Cusers.directory.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/rb1dbcc43a5b406e45d335343a1704f4233de613140a01929d102fdc9%40%3Cusers.directory.apache.org%3E Mailing List, Vendor Advisory
    Added CWE NIST CWE-311
    Added CPE Configuration OR *cpe:2.3:a:apache:directory_studio:*:*:*:*:*:*:*:* versions up to (including) 1.5.3 *cpe:2.3:a:apache:directory_studio:2.0.0:milestone1:*:*:*:*:*:* *cpe:2.3:a:apache:directory_studio:2.0.0:milestone10:*:*:*:*:*:* *cpe:2.3:a:apache:directory_studio:2.0.0:milestone11:*:*:*:*:*:* *cpe:2.3:a:apache:directory_studio:2.0.0:milestone12:*:*:*:*:*:* *cpe:2.3:a:apache:directory_studio:2.0.0:milestone13:*:*:*:*:*:* *cpe:2.3:a:apache:directory_studio:2.0.0:milestone14:*:*:*:*:*:* *cpe:2.3:a:apache:directory_studio:2.0.0:milestone15:*:*:*:*:*:* *cpe:2.3:a:apache:directory_studio:2.0.0:milestone16:*:*:*:*:*:* *cpe:2.3:a:apache:directory_studio:2.0.0:milestone2:*:*:*:*:*:* *cpe:2.3:a:apache:directory_studio:2.0.0:milestone3:*:*:*:*:*:* *cpe:2.3:a:apache:directory_studio:2.0.0:milestone4:*:*:*:*:*:* *cpe:2.3:a:apache:directory_studio:2.0.0:milestone5:*:*:*:*:*:* *cpe:2.3:a:apache:directory_studio:2.0.0:milestone6:*:*:*:*:*:* *cpe:2.3:a:apache:directory_studio:2.0.0:milestone7:*:*:*:*:*:* *cpe:2.3:a:apache:directory_studio:2.0.0:milestone8:*:*:*:*:*:* *cpe:2.3:a:apache:directory_studio:2.0.0:milestone9:*:*:*:*:*:*
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-2021-33900 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-2021-33900 weaknesses.

CAPEC-31: Accessing/Intercepting/Modifying HTTP Cookies Accessing/Intercepting/Modifying HTTP Cookies CAPEC-37: Retrieve Embedded Sensitive Data Retrieve Embedded Sensitive Data CAPEC-65: Sniff Application Code Sniff Application Code CAPEC-157: Sniffing Attacks Sniffing Attacks CAPEC-158: Sniffing Network Traffic Sniffing Network Traffic CAPEC-204: Lifting Sensitive Data Embedded in Cache Lifting Sensitive Data Embedded in Cache CAPEC-383: Harvesting Information via API Event Monitoring Harvesting Information via API Event Monitoring CAPEC-384: Application API Message Manipulation via Man-in-the-Middle Application API Message Manipulation via Man-in-the-Middle CAPEC-385: Transaction or Event Tampering via Application API Manipulation Transaction or Event Tampering via Application API Manipulation CAPEC-386: Application API Navigation Remapping Application API Navigation Remapping CAPEC-387: Navigation Remapping To Propagate Malicious Content Navigation Remapping To Propagate Malicious Content CAPEC-388: Application API Button Hijacking Application API Button Hijacking CAPEC-477: Signature Spoofing by Mixing Signed and Unsigned Content Signature Spoofing by Mixing Signed and Unsigned Content CAPEC-609: Cellular Traffic Intercept Cellular Traffic Intercept CAPEC-65: Sniff Application Code Sniff Application Code CAPEC-102: Session Sidejacking Session Sidejacking CAPEC-117: Interception Interception CAPEC-383: Harvesting Information via API Event Monitoring Harvesting Information via API Event Monitoring CAPEC-477: Signature Spoofing by Mixing Signed and Unsigned Content Signature Spoofing by Mixing Signed and Unsigned Content
Exploit Prediction

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

0.05 }} -0.00%

score

0.21614

percentile

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