CVE-2021-42321 — Microsoft Exchange Server Remote Code Execution Vulnerability

Kurzinfo

Metadaten

  • Original (extern): Link oeffnen
  • Veroeffentlicht: 2021-11-17 00:00 UTC
  • Importiert: 2026-10-20 22:46 UTC
  • CVSS: 8.8
  • Quelle-ID: cisa_kev
  • uid_hash: e92106d90ab3073c4da1aa5d3ad307d7764de98405679c817679714accb5aeb7

Inhalt

Vendor / Project: Microsoft Product: Exchange Description: An authenticated attacker could leverage improper validation in cmdlet arguments within Microsoft Exchange and perform remote code execution. Required Action: Apply updates per vendor instructions. Due Date: 2021-12-01 Ransomware Campaign Use: Known CWEs: CWE-184, CWE-502 Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-42321

Verknuepfte CVEs

CVE-ID Severity (Quelle) CVSS (Quelle) Severity (CVE.org) CVSS (CVE.org) EPSS EPSS-Pctl Veroeffentlicht (CVE.org)

CVE-2021-42321

HIGH

8.8

HIGH

8.8

2021-11-10

Quellen-Details

Bezeichnung Name Kategorie Tags Zielgruppe Sprache Feed-URL
CISA – Known Exploited Vulnerabilities (KEV)

cisa_kev

threat_intel cisa, kev - de https://raw.githubusercontent.com/cisagov/kev-data/develop/known_exploited_vulnerabilities.json