5.5
MEDIUM
CVE-2021-30871
iPhone Analytics Data Exfiltration Vulnerability
Description

This issue was addressed with a new entitlement. This issue is fixed in iOS 14.7, watchOS 7.6, macOS Big Sur 11.5. A local attacker may be able to access analytics data.

INFO

Published Date :

Aug. 24, 2021, 7:15 p.m.

Last Modified :

Nov. 7, 2023, 3:33 a.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2021-30871 has a 1 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-2021-30871 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 iphone_os
3 Apple watchos
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-2021-30871.

URL Resource
https://support.apple.com/en-us/HT212601
https://support.apple.com/en-us/HT212602
https://support.apple.com/en-us/HT212605

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).

Collection of legal threats against good faith Security Researchers; vulnerability disclosure gone wrong. A continuation of work started by @attritionorg

news security legal advisories cybersecurity vulnerability

CSS

Updated: 2 months, 2 weeks ago
286 stars 16 fork 16 watcher
Born at : April 5, 2021, 1:57 p.m. This repo has been linked 1 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-2021-30871 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-30871 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
  • CVE Source Update by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Source MITRE Apple Inc.
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference Apple Inc. https://support.apple.com/en-us/HT212601 [No types assigned]
    Added Reference Apple Inc. https://support.apple.com/en-us/HT212602 [No types assigned]
    Added Reference Apple Inc. https://support.apple.com/en-us/HT212605 [No types assigned]
    Removed Reference MITRE https://support.apple.com/en-us/HT212601
    Removed Reference MITRE https://support.apple.com/en-us/HT212605
    Removed Reference MITRE https://support.apple.com/en-us/HT212602
  • Initial Analysis by [email protected]

    Nov. 01, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://support.apple.com/en-us/HT212601 No Types Assigned https://support.apple.com/en-us/HT212601 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT212602 No Types Assigned https://support.apple.com/en-us/HT212602 Vendor Advisory
    Changed Reference Type https://support.apple.com/en-us/HT212605 No Types Assigned https://support.apple.com/en-us/HT212605 Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 14.7 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions up to (excluding) 11.5 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 7.6
  • CVE Modified by [email protected]

    Oct. 28, 2021

    Action Type Old Value New Value
    Changed Description ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by the CVE program. Notes: none. This issue was addressed with a new entitlement. This issue is fixed in iOS 14.7, watchOS 7.6, macOS Big Sur 11.5. A local attacker may be able to access analytics data.
    Added Reference https://support.apple.com/en-us/HT212601 [No Types Assigned]
    Added Reference https://support.apple.com/en-us/HT212605 [No Types Assigned]
    Added Reference https://support.apple.com/en-us/HT212602 [No Types Assigned]
  • CVE Unrejected by [email protected]

    Oct. 28, 2021

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

    Aug. 24, 2021

    Action Type Old Value New Value
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-2021-30871 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-2021-30871 weaknesses.

Exploit Prediction

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

0.04 }} 0.00%

score

0.05635

percentile

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