9

CVE-2020-0688

Warning
Exploit

A remote code execution vulnerability exists in Microsoft Exchange software when the software fails to properly handle objects in memory, aka 'Microsoft Exchange Memory Corruption Vulnerability'.

Data is provided by the National Vulnerability Database (NVD)
MicrosoftExchange Server Version2010 Updatesp3_rollup_30
MicrosoftExchange Server Version2013 Updatecumulative_update_23
MicrosoftExchange Server Version2016 Updatecumulative_update_14
MicrosoftExchange Server Version2016 Updatecumulative_update_15
MicrosoftExchange Server Version2019 Updatecumulative_update_3
MicrosoftExchange Server Version2019 Updatecumulative_update_4

03.11.2021: CISA Known Exploited Vulnerabilities (KEV) Catalog

Microsoft Exchange Server Validation Key Remote Code Execution Vulnerability

Vulnerability

Microsoft Exchange Server Validation Key fails to properly create unique keys at install time, allowing for remote code execution.

Description

Apply updates per vendor instructions.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 94.38% 1
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 9 8 10
AV:N/AC:L/Au:S/C:C/I:C/A:C
134c704f-9b21-4f2e-91b3-4a467353bcc0 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.