Description
Microsoft Exchange Server Spoofing Vulnerability
Published: 2021-11-10
Score: 6.5 Medium
EPSS: 7.9% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

No advisories yet.

History

Wed, 19 Aug 2026 16:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_10:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_11:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_21:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_22:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_23:*:*:*:*:*:*
References

Subscriptions

Microsoft Exchange Server
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-08-19T16:27:24.438Z

Reserved: 2021-10-12T00:00:00.000Z

Link: CVE-2021-42305

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-11-10T01:19:49.143

Modified: 2026-08-19T17:18:02.437

Link: CVE-2021-42305

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses