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No exploitation reportedFix available

CVE-2020-0606

No exploitation reported by the sources we read.

  • Published2020-01-14
  • WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A remote code execution vulnerability exists in .NET software when the software fails to check the source markup of a file.An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user, aka '.NET Framework Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0605.

Timeline

dates in UTC
  1. 2020-01-1423:15CVE publishedNVD
  2. 2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-0606?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-0606?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Microsoft .net frameworkversion to verify
BranchAffectedFixed in
3.0= 3.0no fix published
3.5= 3.5no fix published
4.6= 4.6.2no fix published
4.7= 4.7no fix published
4.7= 4.7.1no fix published
4.7= 4.7.2no fix published
4.8= 4.8no fix published
3.5= 3.5.1no fix published
4.5= 4.5.2no fix published
4.6= 4.6no fix published
4.6= 4.6.1no fix published
Microsoft .net core
BranchAffectedFixed in
3.0= 3.0no fix published
3.1= 3.1no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVSS 3.18.8read 2026-10-23
  • NVDCVSS 2.09.3read 2026-10-23
  • NVDweakness (CWE)CWE-20read 2026-10-23
  • FIRST EPSSEPSS score17.2 %read 2026-10-23

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2020-01-14
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2020-0606?

A remote code execution vulnerability exists in .NET software when the software fails to check the source markup of a file.An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user, aka '.NET Framework Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0605.

Is CVE-2020-0606 actively exploited?

Active exploitation of CVE-2020-0606 has not been confirmed. Its EPSS score was 17.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-0606?

CVE-2020-0606 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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