CVE-2021-33766: Microsoft Exchange Server Information Disclosure Vulnerability
Microsoft · Microsoft Exchange Server 2013 Cumulative Update 23
Vendor fix available · Affected: Microsoft Exchange Server 2013 Cumulative Update 23 · Exploitation: in CISA KEV since 18 Jan 2022
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
ExploitationIn CISA KEV
- In CISA KEVCISA KEV catalogue18 Jan 2022
- Exploited (reported): not seen
- Scanning observed: not seen
- Proof of concept public: not seen
- Not established: not seen
Higher than 99% of scored CVEs
DescriptionCVE.org
Microsoft Exchange Server Information Disclosure Vulnerability
Affected products5
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Microsoft · Microsoft Exchange Server 2013 Cumulative Update 23from 15.00.0 before 15.00.1497.015
- Microsoft · Microsoft Exchange Server 2016 Cumulative Update 19from 15.01.0 before 15.01.2176.012
- Microsoft · Microsoft Exchange Server 2016 Cumulative Update 20from 15.01.0 before 15.01.2242.008
- Microsoft · Microsoft Exchange Server 2019 Cumulative Update 8from 15.02.0 before 15.02.0792.013
- Microsoft · Microsoft Exchange Server 2019 Cumulative Update 9from 15.02.0 before 15.02.0858.010
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalogue.
- CISA KEV
- Listed since 18 Jan 2022 · catalogue entry
- Public check
- Microsoft Exchange - Authentication Bypass · nuclei template in projectdiscovery/nuclei-templates
- Vendor
- Microsoft
- Published
- July 2021
What changed
- CISA added it to the KEV catalogue CISA
CoverageNo articles yet
No CyberSIXT article names CVE-2021-33766 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.