5

CVE-2021-33766

Warnung

Microsoft Exchange Server Information Disclosure Vulnerability

Microsoft Exchange Server Information Disclosure Vulnerability
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Exchange Server Version 2013 Update cumulative_update_23
Microsoft ≫ Exchange Server Version 2016 Update cumulative_update_19
Microsoft ≫ Exchange Server Version 2016 Update cumulative_update_20
Microsoft ≫ Exchange Server Version 2019 Update cumulative_update_8
Microsoft ≫ Exchange Server Version 2019 Update cumulative_update_9

18.01.2022: CISA Known Exploited Vulnerabilities (KEV) Catalog

Microsoft Exchange Server Information Disclosure

Schwachstelle

Microsoft Exchange Server contains an information disclosure vulnerability which can allow an unauthenticated attacker to steal email traffic from target.

Beschreibung

Apply updates per vendor instructions.

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 98.18% 0.999
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:P/I:N/A:N
NIST 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Microsoft 7.3 3.9 3.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33766
Patch
Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33766
Patch
Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-798/
Third Party Advisory
VDB Entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33766
US Government Resource