CVE-2020-1020: Microsoft Windows Adobe Font Manager Library Remote Code Execution Vulnerability

CVE-2020-1020 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2021-11-03

A remote code execution vulnerability exists in the Microsoft Windows Adobe Type Manager Library due to improper handling of specially crafted multi-master fonts in Adobe Type 1 PostScript format. On most Windows versions, this allows full remote code execution, while on Windows 10, execution is limited to an AppContainer sandbox context.

Technologies: Microsoft Windows. Vendors: Microsoft.

Quick answers

Is CVE-2020-1020 exploited in the wild?
Yes. CVE-2020-1020 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2020-1020?
Critical severity, with a CVSS score of 8.8, published 3 November 2021.
Which products and versions are affected?
Microsoft Windows 7 SP1; Microsoft Windows 8.1; Microsoft Windows RT 8.1; Microsoft Windows 10 1507, 1607, 1709, 1803, 1809, 1903, 1909; and 4 more.
Is there a fix for CVE-2020-1020?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2020-1020 attacked?
It is attacked over the network, in an operating system.
Am I affected by CVE-2020-1020?
Check whether you run Microsoft Windows. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Microsoft Windows 7 SP1
  • Microsoft Windows 8.1
  • Microsoft Windows RT 8.1
  • Microsoft Windows 10 1507, 1607, 1709, 1803, 1809, 1903, 1909
  • Microsoft Windows Server 2008 SP2, R2 SP1
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2016 1803, 1903, 1909
  • Microsoft Windows Server 2019

Timeline

  • 2020-04-15: disclosed: Initial disclosure/analysis date recorded by NIST
  • 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2021-11-03: exploited: Confirmed exploited in the wild per CISA KEV and advisory report

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