Answer in brief
CVE-2021-42321 records a High severity rce vulnerability in Microsoft Exchange Server Remote Code Execution Vulnerability. The source record marks it as known exploited. No package mapping is present, so exposure must be confirmed against the affected product and deployment inventory.
Review the upstream advisory, identify the affected product in your inventory, and apply the vendor update when one is available.
Answer in brief
CVE-2021-42321 records a High severity rce vulnerability in Microsoft Exchange Server Remote Code Execution Vulnerability. The source record marks it as known exploited. No package mapping is present, so exposure must be confirmed against the affected product and deployment inventory.
Review the upstream advisory, identify the affected product in your inventory, and apply the vendor update when one is available.
RCE describes the vulnerability class recorded for this advisory. CISA KEV marks CVE-2021-42321 as known exploited, so exposure review should be prioritized. This is a product-level record in the current feed, not a package-level dependency mapping.
Affected software not mapped. Review the upstream record for vendor-specific product and version guidance.
No references were reported by the source.
An authenticated attacker could leverage improper validation in cmdlet arguments within Microsoft Exchange and perform remote code execution.
Reported by CISA KEV (kev).
CVE-2021-42321 records a High severity rce vulnerability in Microsoft Exchange Server Remote Code Execution Vulnerability. The source record marks it as known exploited. No package mapping is present, so exposure must be confirmed against the affected product and deployment inventory.
The source record marks it as known exploited.
Confirm whether the product or interface named by this advisory exists in your inventory.
HOL Guard can help your team monitor supply-chain activity while the upstream record is clarified.
Explore HOL GuardRCE describes the vulnerability class recorded for this advisory. CISA KEV marks CVE-2021-42321 as known exploited, so exposure review should be prioritized. This is a product-level record in the current feed, not a package-level dependency mapping.
Affected software not mapped. Review the upstream record for vendor-specific product and version guidance.
No references were reported by the source.
An authenticated attacker could leverage improper validation in cmdlet arguments within Microsoft Exchange and perform remote code execution.
Reported by CISA KEV (kev).
CVE-2021-42321 records a High severity rce vulnerability in Microsoft Exchange Server Remote Code Execution Vulnerability. The source record marks it as known exploited. No package mapping is present, so exposure must be confirmed against the affected product and deployment inventory.
The source record marks it as known exploited.
Confirm whether the product or interface named by this advisory exists in your inventory.
HOL Guard can help your team monitor supply-chain activity while the upstream record is clarified.
Explore HOL Guard