CVE-2021-33766High· 7.3▾ Abyssal⚠ Exploited in the wild0dayPoC availableMicrosoft Exchange Server Information Disclosure Vulnerability
▾ Abyssal zone — Critical with a public exploit or in-the-wild use
impact 40.2 · likelihood 19.6 · exploitation 25
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 2 sources. Availability, not in-the-wild use.
Exploit-prediction probability, daily snapshots since Aug 10.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Federal remediation due Feb 1, 2022
Last analysed / modified upstream
98%
98% → 98%
2 GitHub repos · Nuclei ×1
Added to the CISA catalog on Jan 18, 2022. Federal remediation due Feb 1, 2022. View catalog ↗
Microsoft Exchange Server Information Disclosure Vulnerability
exchange_server = 2013exchange_server = 2016exchange_server = 2019Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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