synced 8 MIN AGO
01 Record

CVE-2020-17083

Microsoft Exchange Server Remote Code Execution Vulnerability

MediumPUBLISHEDCNA: microsoft
CNA base score5.5 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C

02 Description

Microsoft Exchange Server Remote Code Execution Vulnerability

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
11.98% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 95.7% of scored records. A rank, not a probability.
NVD base score
5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/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 06:48Z5 YR AGO
Last updated
2024-09-10 15:52Z2 YR AGO
Reserved
2020-08-04
Assigning CNA
microsoft
Record state
PUBLISHED
Severity
Medium (CVSS 5.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C
Weaknesses
  • CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
Data version
5.1
Document digest
30df084c7bbb4e3508174bfa2e4ebe81297dd26984554e1362098a29531ca590

05 Affected products

VendorProductVersionsPlatforms
MicrosoftMicrosoft Exchange Server 2019 Cumulative Update 615.02.0 to < publicationx64-based Systems
MicrosoftMicrosoft Exchange Server 2016 Cumulative Update 1715.01.0 to < publicationx64-based Systems
MicrosoftMicrosoft Exchange Server 2019 Cumulative Update 715.02.0 to < publicationx64-based Systems
MicrosoftMicrosoft Exchange Server 2016 Cumulative Update 1815.01.0 to < publicationx64-based Systems
MicrosoftMicrosoft Exchange Server 2013 Cumulative Update 2315.00.0 to < publicationx64-based Systems

06 References