CVE-2021-30698
Apple Security Advisory 2021-05-25-1
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A null pointer dereference was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, Safari 14.1.1, iOS 14.6 and iPadOS 14.6. A remote attacker may be able to cause a denial of service.
Se abordó un problema de desviación de puntero nulo con una comprobación de entrada mejorada. Este problema es corregido en macOS Big Sur versión 11.4, Safari versión 14.1.1, iOS versión 14.6 y iPadOS versión 14.6. Un atacante remoto podría causar una denegación de servicio
macOS Big Sur 11.4 addresses buffer overflow, bypass, code execution, cross site scripting, denial of service, information leakage, null pointer, out of bounds read, out of bounds write, path sanitization, and use-after-free vulnerabilities.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-04-13 CVE Reserved
- 2021-05-26 CVE Published
- 2024-08-03 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-476: NULL Pointer Dereference
CAPEC
References (3)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://support.apple.com/en-us/HT212528 | 2021-09-17 | |
| https://support.apple.com/en-us/HT212529 | 2021-09-17 | |
| https://support.apple.com/en-us/HT212534 | 2021-09-17 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Apple Search vendor "Apple" | Safari Search vendor "Apple" for product "Safari" | < 14.1.1 Search vendor "Apple" for product "Safari" and version " < 14.1.1" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Ipados Search vendor "Apple" for product "Ipados" | < 14.6 Search vendor "Apple" for product "Ipados" and version " < 14.6" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Iphone Os Search vendor "Apple" for product "Iphone Os" | < 14.6 Search vendor "Apple" for product "Iphone Os" and version " < 14.6" | - |
Affected
| ||||||
| Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | >= 11.0 < 11.4 Search vendor "Apple" for product "Macos" and version " >= 11.0 < 11.4" | - |
Affected
| ||||||