7.5
HIGH
CVE-2020-36222
OpenLDAP Authentication Bypass Denial of Service Vulnerability
Description

A flaw was discovered in OpenLDAP before 2.4.57 leading to an assertion failure in slapd in the saslAuthzTo validation, resulting in denial of service.

INFO

Published Date :

Jan. 26, 2021, 6:15 p.m.

Last Modified :

Nov. 21, 2024, 5:29 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-36222 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 Apple macos
2 Apple mac_os_x
1 Debian debian_linux
1 Openldap openldap
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-2020-36222.

URL Resource
http://seclists.org/fulldisclosure/2021/May/64 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/May/65 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/May/70 Mailing List Third Party Advisory
https://bugs.openldap.org/show_bug.cgi?id=9406 Issue Tracking Vendor Advisory
https://bugs.openldap.org/show_bug.cgi?id=9407 Issue Tracking Vendor Advisory
https://git.openldap.org/openldap/openldap/-/commit/02dfc32d658fadc25e4040f78e36592f6e1e1ca0 Patch Vendor Advisory
https://git.openldap.org/openldap/openldap/-/commit/6ed057b5b728b50746c869bcc9c1f85d0bbbf6ed Patch Vendor Advisory
https://git.openldap.org/openldap/openldap/-/commit/6ed057b5b728b50746c869bcc9c1f85d0bbbf6ed.aa Broken Link
https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57 Release Notes Vendor Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20210226-0002/ Third Party Advisory
https://support.apple.com/kb/HT212529 Third Party Advisory
https://support.apple.com/kb/HT212530 Third Party Advisory
https://support.apple.com/kb/HT212531 Third Party Advisory
https://www.debian.org/security/2021/dsa-4845 Third Party Advisory
http://seclists.org/fulldisclosure/2021/May/64 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/May/65 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/May/70 Mailing List Third Party Advisory
https://bugs.openldap.org/show_bug.cgi?id=9406 Issue Tracking Vendor Advisory
https://bugs.openldap.org/show_bug.cgi?id=9407 Issue Tracking Vendor Advisory
https://git.openldap.org/openldap/openldap/-/commit/02dfc32d658fadc25e4040f78e36592f6e1e1ca0 Patch Vendor Advisory
https://git.openldap.org/openldap/openldap/-/commit/6ed057b5b728b50746c869bcc9c1f85d0bbbf6ed Patch Vendor Advisory
https://git.openldap.org/openldap/openldap/-/commit/6ed057b5b728b50746c869bcc9c1f85d0bbbf6ed.aa Broken Link
https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57 Release Notes Vendor Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20210226-0002/ Third Party Advisory
https://support.apple.com/kb/HT212529 Third Party Advisory
https://support.apple.com/kb/HT212530 Third Party Advisory
https://support.apple.com/kb/HT212531 Third Party Advisory
https://www.debian.org/security/2021/dsa-4845 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).

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

The following list is the news that have been mention CVE-2020-36222 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-36222 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 http://seclists.org/fulldisclosure/2021/May/64
    Added Reference http://seclists.org/fulldisclosure/2021/May/65
    Added Reference http://seclists.org/fulldisclosure/2021/May/70
    Added Reference https://bugs.openldap.org/show_bug.cgi?id=9406
    Added Reference https://bugs.openldap.org/show_bug.cgi?id=9407
    Added Reference https://git.openldap.org/openldap/openldap/-/commit/02dfc32d658fadc25e4040f78e36592f6e1e1ca0
    Added Reference https://git.openldap.org/openldap/openldap/-/commit/6ed057b5b728b50746c869bcc9c1f85d0bbbf6ed
    Added Reference https://git.openldap.org/openldap/openldap/-/commit/6ed057b5b728b50746c869bcc9c1f85d0bbbf6ed.aa
    Added Reference https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57
    Added Reference https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
    Added Reference https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
    Added Reference https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html
    Added Reference https://security.netapp.com/advisory/ntap-20210226-0002/
    Added Reference https://support.apple.com/kb/HT212529
    Added Reference https://support.apple.com/kb/HT212530
    Added Reference https://support.apple.com/kb/HT212531
    Added Reference https://www.debian.org/security/2021/dsa-4845
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E [No types assigned]
    Added Reference MITRE https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E [No types assigned]
    Removed Reference MITRE https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
    Removed Reference MITRE https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
  • Modified Analysis by [email protected]

    Apr. 13, 2022

    Action Type Old Value New Value
    Changed Reference Type http://seclists.org/fulldisclosure/2021/May/64 No Types Assigned http://seclists.org/fulldisclosure/2021/May/64 Mailing List, Third Party Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2021/May/65 No Types Assigned http://seclists.org/fulldisclosure/2021/May/65 Mailing List, Third Party Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2021/May/70 No Types Assigned http://seclists.org/fulldisclosure/2021/May/70 Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://support.apple.com/kb/HT212530 No Types Assigned https://support.apple.com/kb/HT212530 Third Party Advisory
  • CVE Modified by [email protected]

    Jun. 29, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 28, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E [No Types Assigned]
  • CVE Modified by [email protected]

    May. 26, 2021

    Action Type Old Value New Value
    Added Reference http://seclists.org/fulldisclosure/2021/May/70 [No Types Assigned]
    Added Reference http://seclists.org/fulldisclosure/2021/May/64 [No Types Assigned]
    Added Reference http://seclists.org/fulldisclosure/2021/May/65 [No Types Assigned]
    Added Reference https://support.apple.com/kb/HT212530 [No Types Assigned]
  • Modified Analysis by [email protected]

    May. 26, 2021

    Action Type Old Value New Value
    Changed Reference Type https://support.apple.com/kb/HT212529 No Types Assigned https://support.apple.com/kb/HT212529 Third Party Advisory
    Changed Reference Type https://support.apple.com/kb/HT212531 No Types Assigned https://support.apple.com/kb/HT212531 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions from (including) 10.14.0 up to (excluding) 10.14.6 *cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-002:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-003:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:* *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 11.1 up to (excluding) 11.4
  • CVE Modified by [email protected]

    May. 24, 2021

    Action Type Old Value New Value
    Added Reference https://support.apple.com/kb/HT212529 [No Types Assigned]
    Added Reference https://support.apple.com/kb/HT212531 [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 15, 2021

    Action Type Old Value New Value
    Changed Reference Type https://git.openldap.org/openldap/openldap/-/commit/6ed057b5b728b50746c869bcc9c1f85d0bbbf6ed.aa Patch, Permissions Required, Vendor Advisory https://git.openldap.org/openldap/openldap/-/commit/6ed057b5b728b50746c869bcc9c1f85d0bbbf6ed.aa Broken Link
    Changed Reference Type https://security.netapp.com/advisory/ntap-20210226-0002/ No Types Assigned https://security.netapp.com/advisory/ntap-20210226-0002/ Third Party Advisory
  • CVE Modified by [email protected]

    Feb. 26, 2021

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20210226-0002/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Feb. 08, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html Mailing List, Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2021/dsa-4845 No Types Assigned https://www.debian.org/security/2021/dsa-4845 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Feb. 03, 2021

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2021/dsa-4845 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 03, 2021

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 28, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://bugs.openldap.org/show_bug.cgi?id=9406 No Types Assigned https://bugs.openldap.org/show_bug.cgi?id=9406 Issue Tracking, Vendor Advisory
    Changed Reference Type https://bugs.openldap.org/show_bug.cgi?id=9407 No Types Assigned https://bugs.openldap.org/show_bug.cgi?id=9407 Issue Tracking, Vendor Advisory
    Changed Reference Type https://git.openldap.org/openldap/openldap/-/commit/02dfc32d658fadc25e4040f78e36592f6e1e1ca0 No Types Assigned https://git.openldap.org/openldap/openldap/-/commit/02dfc32d658fadc25e4040f78e36592f6e1e1ca0 Patch, Vendor Advisory
    Changed Reference Type https://git.openldap.org/openldap/openldap/-/commit/6ed057b5b728b50746c869bcc9c1f85d0bbbf6ed No Types Assigned https://git.openldap.org/openldap/openldap/-/commit/6ed057b5b728b50746c869bcc9c1f85d0bbbf6ed Patch, Vendor Advisory
    Changed Reference Type https://git.openldap.org/openldap/openldap/-/commit/6ed057b5b728b50746c869bcc9c1f85d0bbbf6ed.aa No Types Assigned https://git.openldap.org/openldap/openldap/-/commit/6ed057b5b728b50746c869bcc9c1f85d0bbbf6ed.aa Patch, Permissions Required, Vendor Advisory
    Changed Reference Type https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57 No Types Assigned https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57 Release Notes, Vendor Advisory
    Added CWE NIST CWE-617
    Added CPE Configuration OR *cpe:2.3:a:openldap:openldap:*:*:*:*:*:*:*:* versions up to (excluding) 2.4.57
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-2020-36222 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-2020-36222 weaknesses.

Exploit Prediction

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

4.06 }} 0.07%

score

0.92009

percentile

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