Risk Letters

Exploited vulnerability

CVE-2020-9818

TLP:CLEAR

Apple iOS, iPadOS, and watchOS Out-of-Bounds Write Vulnerability

Apple iOS, iPadOS, and watchOS Mail contains an out-of-bounds write vulnerability which may allow memory modification or application termination when processing a maliciously crafted mail message.

Facts

  • Vendor: Apple
  • Product: iOS, iPadOS, and watchOS
  • CVSS: 8.8
  • EPSS (probability of exploitation within 30 days): 2.3 %
  • On CISA's Known Exploited Vulnerabilities list since: 3 November 2021
  • First known exploitation: 3 November 2021
  • CISA's deadline for US federal agencies: 3 May 2022
  • Weakness: CWE-787
  • First seen by Risk Letters: 3 November 2021

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD