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HomeCVEsCVE-2021-30883

CVE-2021-30883

Published: January 26, 2026
Last updated:1 day ago (January 26, 2026)
Exploit: NoZero-day: YesPatch: YesTrend: Neutral
TL;DR
Updated January 26, 2026

CVE-2021-30883 is a high severity vulnerability with a CVSS score of 7.8. No known exploits currently, and patches are available. This is classified as a zero-day vulnerability.

Key Points
  • 1High severity (CVSS 7.8/10)
  • 2EPSS: 1.00% - moderate likelihood of exploitation
  • 3No known public exploits
  • 4Vendor patches are available
  • 5Strobes Priority Score: 626/1000 (Medium)
  • 6Affects products from: Apple
Severity Scores
CVSS v37.8
CVSS v29.3
Priority Score626.0
EPSS Score1.0
High
Exploitation LikelihoodLow
1.00%EPSS

Lower probability of exploitation

Patch during regular maintenance
1.00%
EPSS
7.8
CVSS
No
Exploit
Yes
Patch
Low Priority
no major risk factors

EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.

Description

Apple iOS, macOS, watchOS, and tvOS contain a memory corruption vulnerability that could allow for remote code execution.

CVSS v3 Breakdown
Attack Vector:Local
Attack Complexity:Local
Privileges Required:Network
User Interaction:Required
Scope:Unchanged
Confidentiality:High
Integrity:High
Availability:High
Patch References
Product [email protected]Product [email protected]Product [email protected]Product [email protected]Product [email protected]Product [email protected]Zeroday CZ
Trend Analysis
Neutral
Vulnerable Products
VendorProduct
ApplemacOS
AppleIpados
AppleTvos
AppleiPhone Os
AppleWatchos
Advisories
CISA: Apple iOS, macOS, watchOS, and tvOS contain a memory corruption vulnerability that could allow for remote code execution.
NVD
Cite This Page
APA Format
Strobes VI. (2026). CVE-2021-30883 - CVE Details and Analysis. Strobes VI. Retrieved January 27, 2026, from https://vi.strobes.co/cve/CVE-2021-30883
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