CISA Known Exploited Vulnerability
This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.
Remediation Deadline: Feb 1, 2022
Description
Microsoft Exchange Server contains an information disclosure vulnerability which can allow an unauthenticated attacker to steal email traffic from target.
EPSS — Exploit Probability
93.7%
Higher than 99.8% of all CVEs
Required Action
https://nvd.nist.gov/vuln/detail/CVE-2021-33766
Risk Assessment
HIGHIn CISA KEV
High EPSS
Details
- Severity
- High
- EPSS
- 93.7%
- CISA KEV
- Yes
- Ransomware
- Unknown
- Articles
- 0
Timeline
Published
Jan 18, 2022
Added to KEV
Jan 18, 2022
Remediation Due
Feb 1, 2022