CVE-2021-41349 Microsoft Exchange Server Spoofing Vulnerability
An attacker can spoof email headers in Microsoft Exchange Server, bypassing security controls and misleading recipients.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-41349?
CVE-2021-41349 is a medium-severity vulnerability in Microsoft Exchange Server, published on 10 Nov 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Microsoft Exchange Server Spoofing Vulnerability
Which versions are affected by CVE-2021-41349?
It affects 1 product.
Products include Microsoft Exchange Server.
How do I fix CVE-2021-41349?
No fix has been published for CVE-2021-41349 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-41349 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-41349 exists.
Public exploit code: 1 Nuclei template and 2 proofs of concept on GitHub.
Other vulnerabilities in Microsoft Exchange Server
- CVE-2024-21410 Microsoft Exchange Server Privilege Escalation
- CVE-2021-34473 Microsoft Exchange Server Remote Code Execution
- CVE-2021-26855 Microsoft Exchange Server Remote Code Execution
- CVE-2021-34523 Microsoft Exchange Server Privilege Escalation
- CVE-2023-21529 Microsoft Exchange Server Deserialization of Untrusted Data
Sources
Also known as GHSA-xjg9-924r-39mj.