Vulnerability in Microsoft Exchange_server
CVE-2021-41349
Microsoft Exchange Server Spoofing Vulnerability
EPSS: 0.939 (99.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Microsoft Exchange_server — versions 2013, 2016, 2019
- Microsoft Exchange Server 2013 Cumulative Update 23 — versions 15.00.0
- Microsoft Exchange Server 2016 Cumulative Update 21 — versions 15.01.0
- Microsoft Exchange Server 2016 Cumulative Update 22 — versions 15.0.0
- Microsoft Exchange Server 2019 Cumulative Update 10 — versions 15.02.0
- Microsoft Exchange Server 2019 Cumulative Update 11 — versions 15.02.0
Public proof-of-concept exploits
References
- secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-41349?
- CVE-2021-41349 is a medium-severity vulnerability in Microsoft Exchange_server. CVSS score: 6.5/10. Published 2021-11-10.
- How severe is CVE-2021-41349?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-41349 known to be exploited?
- 23 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.