Apple macOS up to 11.2.3 curl certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apple macOS up to 11.2.3 and classified as problematic. Impacted is an unknown function of the component curl. The manipulation leads to an unknown weakness. This vulnerability is documented as CVE-2020-8286. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apple macOS up to 11.2.3 (Operating System). This issue affects an unknown part of the component curl. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. The impact remains unknown.

The weakness was released 04/26/2021 as HT212325 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2020-8286. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1587.003 for this issue. The advisory points out:

An attacker may provide a fraudulent OCSP response that would appear valid

The vulnerability scanner Nessus provides a plugin with the ID 236591 (Alibaba Cloud Linux 3 : 0078: curl (ALINUX3-SA-2021:0078)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 11.3 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 Tenable (236591). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
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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Nessus ID: 236591
Nessus Name: Alibaba Cloud Linux 3 : 0078: curl (ALINUX3-SA-2021:0078)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: macOS 11.3

Timelineinfo

01/28/2020 🔍
04/26/2021 +453 days 🔍
04/26/2021 +0 days 🔍
04/27/2021 +1 days 🔍
05/20/2025 +1484 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212325
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-8286 (🔍)
GCVE (CVE): GCVE-0-2020-8286
GCVE (VulDB): GCVE-100-173981
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 04/27/2021 08:53
Updated: 05/20/2025 21:10
Changes: 04/27/2021 08:53 (17), 04/27/2021 08:56 (28), 04/30/2021 14:49 (6), 04/30/2021 14:51 (20), 05/20/2025 21:10 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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