CVE-2024-21410 Microsoft Exchange Server Privilege Escalation
Attackers can exploit an authentication bypass in Microsoft Exchange Server to gain elevated privileges on the mail server.
- Exploited in the wild
- Since 15 Feb 2024
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-21410?
CVE-2024-21410 is a critical authentication bypass vulnerability in Microsoft Exchange Server, published on 13 Feb 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Microsoft Exchange Server Elevation of Privilege Vulnerability
Weakness: CWE-287
Which versions are affected by CVE-2024-21410?
It affects 1 product.
Products include Microsoft Exchange Server.
How do I fix CVE-2024-21410?
No fix has been published for CVE-2024-21410 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 7 Mar 2024.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2024-21410 being exploited?
Yes. Attackers have exploited CVE-2024-21410 in the wild since at least 15 Feb 2024.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Microsoft Exchange Server
- 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
- CVE-2022-41080 Microsoft Exchange Server Privilege Escalation
Sources
Also known as GHSA-mv5v-r4x4-qmxw.