// For flags

CVE-2021-1840

 

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A local attacker may be able to elevate their privileges.

Se abordó un problema de corrupción de la memoria con una comprobación mejorada. Este problema se corrigió en macOS Big Sur versión 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. Un atacante local puede ser capaz de elevar sus privilegios

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-12-08 CVE Reserved
  • 2021-04-28 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-787: Out-of-bounds Write
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"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14
Search vendor "Apple" for product "Mac Os X" and version "10.14"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.0
Search vendor "Apple" for product "Mac Os X" and version "10.14.0"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.1
Search vendor "Apple" for product "Mac Os X" and version "10.14.1"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.2
Search vendor "Apple" for product "Mac Os X" and version "10.14.2"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.3
Search vendor "Apple" for product "Mac Os X" and version "10.14.3"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.4
Search vendor "Apple" for product "Mac Os X" and version "10.14.4"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.4
Search vendor "Apple" for product "Mac Os X" and version "10.14.4"
beta4
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.5
Search vendor "Apple" for product "Mac Os X" and version "10.14.5"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.6
Search vendor "Apple" for product "Mac Os X" and version "10.14.6"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.6
Search vendor "Apple" for product "Mac Os X" and version "10.14.6"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.6
Search vendor "Apple" for product "Mac Os X" and version "10.14.6"
security_update_2019-001
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.6
Search vendor "Apple" for product "Mac Os X" and version "10.14.6"
security_update_2019-002
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.6
Search vendor "Apple" for product "Mac Os X" and version "10.14.6"
security_update_2019-004
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.6
Search vendor "Apple" for product "Mac Os X" and version "10.14.6"
security_update_2019-005
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.6
Search vendor "Apple" for product "Mac Os X" and version "10.14.6"
security_update_2019-006
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.6
Search vendor "Apple" for product "Mac Os X" and version "10.14.6"
security_update_2019-007
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.6
Search vendor "Apple" for product "Mac Os X" and version "10.14.6"
security_update_2020-001
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.6
Search vendor "Apple" for product "Mac Os X" and version "10.14.6"
security_update_2020-002
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.6
Search vendor "Apple" for product "Mac Os X" and version "10.14.6"
security_update_2020-003
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.6
Search vendor "Apple" for product "Mac Os X" and version "10.14.6"
security_update_2020-004
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.6
Search vendor "Apple" for product "Mac Os X" and version "10.14.6"
security_update_2020-005
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.6
Search vendor "Apple" for product "Mac Os X" and version "10.14.6"
security_update_2020-006
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.6
Search vendor "Apple" for product "Mac Os X" and version "10.14.6"
security_update_2020-007
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.6
Search vendor "Apple" for product "Mac Os X" and version "10.14.6"
security_update_2021-001
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.14.6
Search vendor "Apple" for product "Mac Os X" and version "10.14.6"
security_update_2021-002
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.15
Search vendor "Apple" for product "Mac Os X" and version "10.15"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.15.1
Search vendor "Apple" for product "Mac Os X" and version "10.15.1"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.15.2
Search vendor "Apple" for product "Mac Os X" and version "10.15.2"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.15.3
Search vendor "Apple" for product "Mac Os X" and version "10.15.3"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.15.4
Search vendor "Apple" for product "Mac Os X" and version "10.15.4"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.15.5
Search vendor "Apple" for product "Mac Os X" and version "10.15.5"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.15.6
Search vendor "Apple" for product "Mac Os X" and version "10.15.6"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.15.6
Search vendor "Apple" for product "Mac Os X" and version "10.15.6"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.15.6
Search vendor "Apple" for product "Mac Os X" and version "10.15.6"
supplemental_update
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.15.7
Search vendor "Apple" for product "Mac Os X" and version "10.15.7"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.15.7
Search vendor "Apple" for product "Mac Os X" and version "10.15.7"
-
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.15.7
Search vendor "Apple" for product "Mac Os X" and version "10.15.7"
security_update_2020
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.15.7
Search vendor "Apple" for product "Mac Os X" and version "10.15.7"
security_update_2020-001
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.15.7
Search vendor "Apple" for product "Mac Os X" and version "10.15.7"
security_update_2020-005
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.15.7
Search vendor "Apple" for product "Mac Os X" and version "10.15.7"
security_update_2020-007
Affected
Apple
Search vendor "Apple"
Mac Os X
Search vendor "Apple" for product "Mac Os X"
10.15.7
Search vendor "Apple" for product "Mac Os X" and version "10.15.7"
security_update_2021-001
Affected
Apple
Search vendor "Apple"
Macos
Search vendor "Apple" for product "Macos"
>= 11.0 < 11.3
Search vendor "Apple" for product "Macos" and version " >= 11.0 < 11.3"
-
Affected