CVE record
CVE-2021-42321
Microsoft Exchange Server Remote Code Execution Vulnerability
An authenticated attacker could leverage improper validation in cmdlet arguments within Microsoft Exchange and perform remote code execution.
CVE evidence
Known exploitation
Listed in CISA KEV
Absence from the fetched catalog does not establish that exploitation has not occurred.
Severity
unknown
No parseable CVSS vector returned
Affected packages
0
Supported package records returned by OSV. Vendor and product names are not used to infer matches.
CISA Known Exploited Vulnerabilities
Catalog record
- Vendor / project
- Microsoft
- Product
- Exchange
- Date added
- Nov 17, 2021
- CISA federal remediation due date
- Dec 1, 2021
- Required action
- Apply updates per vendor instructions.
- Known ransomware campaign use
- Known
- CWE
- CWE-184, CWE-502
OSV package mapping
Affected open-source packages
OSV did not return a package mapping in the five supported ecosystems. RequestGuard does not infer package names from the CISA vendor or product fields.