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01 Record

CVE-2020-16994

Azure Sphere Unsigned Code Execution Vulnerability

HighPUBLISHEDCNA: microsoft
CNA base score7.3 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L/E:U/RL:O/RC:C

02 Description

Azure Sphere Unsigned Code Execution Vulnerability

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
1.64% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 75.9% of scored records. A rank, not a probability.
NVD base score
7.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-11-11 06:47Z5 YR AGO
Last updated
2024-10-01 15:56Z2 YR AGO
Reserved
2020-08-04
Assigning CNA
microsoft
Record state
PUBLISHED
Severity
High (CVSS 7.3)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L/E:U/RL:O/RC:C
Weaknesses
No CWE assigned
Data version
5.1
Document digest
c86c840f3a664de318c9a280386de8ed024fa9cbc5d483e4906b01b9b09b55ca

05 Affected products

VendorProductVersionsPlatforms
MicrosoftAzure Sphere20.00 to < publicationUnknown

06 References