CVE-2020-1350 KEV
10.0
CRITICAL · CVSS 3.1 · EPSS 96.7% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2022-05-03.
Description
A remote code execution vulnerability exists in Windows Domain Name System servers when they fail to properly handle requests, aka 'Windows DNS Server Remote Code Execution Vulnerability'.
Scoring
| CVSS | 10.0 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| EPSS | 96.72% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | yes — remediate by 2022-05-03 |
| Public exploit | none known |
| Published | 2020-07-14 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Microsoft Windows DNS Server Remote Code Execution Vulnerability |
|---|---|
| Added | 2021-11-03 |
| Due | 2022-05-03 |
| Vendor / product | Microsoft / Windows |
| Ransomware use | none reported |
Affected (4)
| Vendor | Product |
|---|---|
| microsoft | windows server 2008 |
| microsoft | windows server 2012 |
| microsoft | windows server 2016 |
| microsoft | windows server 2019 |
References
- http://packetstormsecurity.com/files/158484/SIGRed-Windows-DNS-Denial-Of-Service.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1350
- http://packetstormsecurity.com/files/158484/SIGRed-Windows-DNS-Denial-Of-Service.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1350
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1350
→ the Explorer · watch your stack · NVD