CVE-2021-41349
Microsoft Exchange Server Spoofing Vulnerability
- Published
- Nov 10, 2021
- Updated
- Aug 19, 2026
- Assigning CNA
- microsoft
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NHigh · next 30 days
- Percentile
- 99.8%
- Model date
- Oct 19, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Microsoft Exchange Server Spoofing Vulnerability
Sources
http/cves/2021/CVE-2021-41349.yaml
Nuclei TemplatesDeclared conditions
- network: http($.protocol_keys)
- verification: status,word($.matchers[*].type)
Microsoft Exchange Server Spoofing Vulnerability Exploit!
- CVE-2021-41349Exploit
Exploit tool for CVE-2021-41349 that generates an HTML form to deliver XSS payloads to Microsoft Exchange servers, enabling execution of arbitrary JavaScript.
Responsible use
Use vulnerability information only on systems you own or are authorized to test. Kitploit links to public research metadata and does not store exploit code or malicious payloads.