CVE-2022-41040 Microsoft Exchange Server Server-Side Request Forgery
Attackers can exploit a Server-Side Request Forg flaw in Microsoft Exchange Server to escalate privileges and potentially execute code.
- Exploited in the wild
- Since 30 Sep 2022
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-41040?
CVE-2022-41040 is a high-severity server-side request forgery vulnerability in Microsoft Exchange Server, published on 3 Oct 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Microsoft Exchange Server Elevation of Privilege Vulnerability
Weakness: CWE-918
Which versions are affected by CVE-2022-41040?
It affects 1 product.
Products include Microsoft Exchange Server.
How do I fix CVE-2022-41040?
No fix has been published for CVE-2022-41040 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 21 Oct 2022.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2022-41040 being exploited?
Yes. Attackers have exploited CVE-2022-41040 in the wild since at least 30 Sep 2022, including in ransomware campaigns.
Public exploit code: 1 Metasploit module and 9 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-6ph7-8wxv-6gf2.