CVE-2020-1350 kev in the critical feed json
A remote code execution vulnerability exists in Windows Domain Name System servers when they fail to properly handle requests, aka 'Windows…
published 2020-07-14 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-12226
- cvss
- 10.0
- version 3.1, CNA
- cisa kev
- Exploited
- added 2021-11-03
- epss
- 96.7%
- EPSS 96.7% chance of exploitation in 30 days, percentile 99.8%
- public exploits
- 0
- none known
Summary
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'.
Patch / fix
cisa required action Apply updates per vendor instructions.
Timeline
- Published
- Added to CISA KEV
- CISA patch deadline
- CISA SSVC: exploitation active
Known exploited
- Added
- 5 y ago
- Patch by
- 2022-05-03 (4 y ago)
- Ransomware
- Not known
- Required action
- Apply updates per vendor instructions.
- Vendor, product
- Microsoft, Windows
- CISA name
- Microsoft Windows DNS Server Remote Code Execution Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- yes
- Technical impact
- total
- Assessed
- 21 mo ago
Exploit prediction
96.72% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| CNA | 3.1 | 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- Microsoft Windows Server
- Microsoft Windows Server, version 1909 (Server Core installation)
- Microsoft Windows Server, version 1903 (Server Core installation)
- Microsoft Windows Server, version 2004 (Server Core installation)
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2020-1350
patch, vendor-advisory
-
packetstormsecurity.com
/files/158484/SIGRed-Windows-DNS-Denial-Of-Service.html
third-party-advisory, vdb-entry
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1350
government-resource, us-government-resource
Sources
- CVE List CVE-2020-1350
- NVD CVE-2020-1350
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