// For flags

CVE-2020-9977

Apple Security Advisory 2020-11-13-3

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A validation issue existed in the entitlement verification. This issue was addressed with improved validation of the process entitlement. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.0 and iPadOS 14.0. A malicious application may be able to determine a user's open tabs in Safari.

Se presentó un problema de comprobación en la verificación de derechos. Este problema se abordó con una comprobación mejorada de la autorización del proceso. Este problema se corrigió en macOS Big Sur versión 11.0.1, iOS versión 14.0 y iPadOS versión 14.0. Una aplicación maliciosa puede ser capaz de determinar las pestañas abiertas de un usuario en Safari

macOS Big Sur 11.0.1 addresses buffer overflow, bypass, code execution, denial of service, information leakage, integer overflow, out of bounds read, out of bounds write, path sanitization, spoofing, and use-after-free vulnerabilities.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-03-02 CVE Reserved
  • 2020-11-13 CVE Published
  • 2024-08-04 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Apple
Search vendor "Apple"
 Ipados
Search vendor "Apple" for product "Ipados"
 < 14.2
Search vendor "Apple" for product "Ipados" and version " < 14.2"
-
Affected
Apple
Search vendor "Apple"
 Iphone Os
Search vendor "Apple" for product "Iphone Os"
 < 14.2
Search vendor "Apple" for product "Iphone Os" and version " < 14.2"
-
Affected
Apple
Search vendor "Apple"
 Mac Os X
Search vendor "Apple" for product "Mac Os X"
 < 11.0.1
Search vendor "Apple" for product "Mac Os X" and version " < 11.0.1"
-
Affected