CVE-2020-0938 KEV
7.8
HIGH · CVSS 3.1 · EPSS 69% (pctl 99)
Patch first
On CISA KEV — known exploited in the wild, due 2022-05-03.
Description
A remote code execution vulnerability exists in Microsoft Windows when the Windows Adobe Type Manager Library improperly handles a specially-crafted multi-master font - Adobe Type 1 PostScript format.For all systems except Windows 10, an attacker who successfully exploited the vulnerability could execute code remotely, aka 'Adobe Font Manager Library Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1020.
Scoring
| CVSS | 7.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 68.95% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | yes — remediate by 2022-05-03 |
| Public exploit | none known |
| Published | 2020-04-15 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Microsoft Windows Adobe Font Manager Library Remote Code Execution Vulnerability |
|---|---|
| Added | 2021-11-03 |
| Due | 2022-05-03 |
| Vendor / product | Microsoft / Windows |
| Ransomware use | none reported |
Affected (17)
| Vendor | Product |
|---|---|
| microsoft | windows 10 1507 |
| microsoft | windows 10 1607 |
| microsoft | windows 10 1709 |
| microsoft | windows 10 1803 |
| microsoft | windows 10 1809 |
| microsoft | windows 10 1903 |
| microsoft | windows 10 1909 |
| microsoft | windows 7 |
| microsoft | windows 8.1 |
| microsoft | windows rt 8.1 |
| microsoft | windows server 1803 |
| microsoft | windows server 1903 |
| microsoft | windows server 1909 |
| microsoft | windows server 2008 |
| microsoft | windows server 2012 |
| microsoft | windows server 2016 |
| microsoft | windows server 2019 |
References
- http://packetstormsecurity.com/files/161299/Apple-CoreText-libFontParser.dylib-Stack-Corruption.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0938
- http://packetstormsecurity.com/files/161299/Apple-CoreText-libFontParser.dylib-Stack-Corruption.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0938
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0938
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