Apple macOS up to 11.3 OpenLDAP denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Apple macOS up to 11.3. The impacted element is an unknown function of the component OpenLDAP. Performing a manipulation results in denial of service. This vulnerability was named CVE-2020-36224. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Apple macOS up to 11.3 (Operating System). This affects an unknown functionality of the component OpenLDAP. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was presented 05/24/2021 as HT212529 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2020-36224. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK. The advisory points out:

A remote attacker may be able to cause a denial of service

Upgrading to version 11.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

This issue was addressed with improved checks.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2023-1127). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Ubuntu Linux
  • SUSE Linux
  • Open Source OpenLDAP
  • Hitachi Energy RTU500
  • Splunk Splunk Enterprise

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: macOS 11.4

Timelineinfo

01/25/2021 🔍
05/24/2021 +118 days 🔍
05/24/2021 +0 days 🔍
05/25/2021 +1 days 🔍
08/25/2025 +1553 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212529
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-36224 (🔍)
GCVE (CVE): GCVE-0-2020-36224
GCVE (VulDB): GCVE-100-175743
CERT Bund: WID-SEC-2023-1127 - OpenLDAP: Mehrere Schwachstellen ermöglichen Denial of Service

scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 05/25/2021 14:24
Updated: 08/25/2025 11:49
Changes: 05/25/2021 14:24 (17), 05/25/2021 14:27 (29), 05/28/2021 14:31 (6), 05/28/2021 14:33 (18), 08/25/2025 11:49 (22)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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