CVE-2023-38181 Microsoft Exchange Server Spoofing Vulnerability
Attackers can exploit a deserialization flaw in Microsoft Exchange Server to spoof identities, requiring a vendor patch for mitigation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-38181?
CVE-2023-38181 is a high-severity unsafe deserialization vulnerability in Microsoft Exchange Server, published on 8 Aug 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Microsoft Exchange Server Spoofing Vulnerability
Weakness: CWE-502
Which versions are affected by CVE-2023-38181?
It affects 1 product.
Products include Microsoft Exchange Server.
How do I fix CVE-2023-38181?
No fix has been published for CVE-2023-38181 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2023-38181 being exploited?
There is no known exploitation of CVE-2023-38181 in the wild and no public exploit code.
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-hx37-jpgw-mp7v.