VDB

CVE-2021-41349

CVE-2021-41349 PUBLISHED CVSS 6.5 MEDIUM

Microsoft Exchange Server Spoofing Vulnerability

Reported by microsoft · Published November 10, 2021

Microsoft Exchange Server Spoofing Vulnerability

Risk scores

CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Affected products

VendorProductVersions
MicrosoftMicrosoft Exchange Server 2013 Cumulative Update 2315.00.0
MicrosoftMicrosoft Exchange Server 2016 Cumulative Update 2115.01.0
MicrosoftMicrosoft Exchange Server 2016 Cumulative Update 2215.0.0
MicrosoftMicrosoft Exchange Server 2019 Cumulative Update 1015.02.0
MicrosoftMicrosoft Exchange Server 2019 Cumulative Update 1115.02.0
microsoftexchange_server15.00.0, 15.01.0, 15.02.0
MicrosoftMicrosoft Exchange Server 2016 Cumulative Update 2115.01.0
MicrosoftMicrosoft Exchange Server 2019 Cumulative Update 1115.02.0
MicrosoftMicrosoft Exchange Server 2019 Cumulative Update 1015.02.0
MicrosoftMicrosoft Exchange Server 2013 Cumulative Update 2315.00.0
MicrosoftMicrosoft Exchange Server 2016 Cumulative Update 2215.0.0

Timeline

  • Nov 9, 2021 CVE Published
  • Nov 10, 2021 EPSS Score (30 in total, the first dated here)
  • May 31, 2022 VulnCheck KEV Exploitation (2 in total, the first dated here)
  • Jul 30, 2022 VulnCheck XDB Entry
  • Sep 30, 2025 PoC Published
  • Apr 15, 2026 Security Advisory (6 in total, the first dated here)
  • Jul 20, 2026 Coalition ESS Score
  • Aug 19, 2026 CVE Updated

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2021-41349
vulnetix vdb fixes CVE-2021-41349

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2021-41349/fixes/registry"

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