CVE-2019-1373 Deserialization in Microsoft Exchange Server 2013
Attackers can achieve remote code execution on Microsoft Exchange Server by exploiting unsafe deserialization of metadata via PowerShell.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-1373?
CVE-2019-1373 is a critical unsafe deserialization vulnerability in Microsoft Exchange Server, published on 12 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A remote code execution vulnerability exists in Microsoft Exchange through the deserialization of metadata via PowerShell, aka 'Microsoft Exchange Remote Code Execution Vulnerability'.
Weakness: CWE-502
Which versions are affected by CVE-2019-1373?
It affects 1 product.
Products include Microsoft Exchange Server.
How do I fix CVE-2019-1373?
No fix has been published for CVE-2019-1373 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-2019-1373 being exploited?
There is no known exploitation of CVE-2019-1373 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-24mr-37ph-25xf.