CVE-2020-9859

Apple Multiple Products: Code Execution

As of , CVE-2020-9859 in Apple Multiple Products is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.

Exploited
Yes: CISA listed it on 3 November 2021
US federal deadline
3 May 2022181 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.01Higher than 56% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
Not availableCISA listed it before 4 February 2022, where the EPSS files we read begin.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
No vendor link in CISA's entry

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

Apple iOS, iPadOS, macOS, watchOS, and tvOS contain an unspecified vulnerability that may allow an application to execute code with kernel privileges.

CISA's description

A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5.1 and iPadOS 13.5.1, macOS Catalina 10.15.5 Supplemental Update, tvOS 13.4.6, watchOS 6.2.6. An application may be able to execute arbitrary code with kernel privileges.

The CVE record's description, from apple

CVE published
5 June 2020
Assigned by
apple
CVSS
7.8 High (CVSS 3.1, from CISA-ADP)
CWE-415
Double Free
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Multiple Products: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2026-86950Out-of-Bounds WriteApple Multiple ProductsPatch nowForensic triage required by CISA; listed in the last 14 days0.01
CVE-2021-30860Integer OverflowApple Multiple ProductsPatch this weekEPSS 0.760.76
CVE-2023-32434Integer OverflowApple Multiple ProductsPatch this weekEPSS 0.520.52
CVE-2019-8605Use-After-FreeApple Multiple ProductsPatch soonVerified Exploit-DB entry0.18
CVE-2020-3837Memory CorruptionApple Multiple ProductsPatch soonVerified Exploit-DB entry0.15
CVE-2019-8506Type ConfusionApple Multiple ProductsPatch soonVerified Exploit-DB entry0.16
CVE-2023-28205WebKit Use-After-FreeApple Multiple ProductsPatch soon0.27
CVE-2021-30807Memory CorruptionApple Multiple ProductsPatch soon0.29
CVE-2025-31200Memory CorruptionApple Multiple ProductsPatch soon0.19
CVE-2025-24085Use-After-FreeApple Multiple ProductsPatch soon0.18

All 54 entries for Multiple Products

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