CVE-2024-20655 Microsoft Online Certificate Status Protocol (OCSP) Remote Code Execution Vulnerability
Attackers can execute arbitrary code on Windows Server systems via a use-after-free flaw in the OCSP component.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-20655?
CVE-2024-20655 is a medium-severity use after free vulnerability in Microsoft Windows Server 2008, published on 9 Jan 2024. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Microsoft Online Certificate Status Protocol (OCSP) Remote Code Execution Vulnerability
Weakness: CWE-416
Which versions are affected by CVE-2024-20655?
It affects 6 products.
Products include Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Windows Server 2022 23h2.
How do I fix CVE-2024-20655?
No fix has been published for CVE-2024-20655 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2024-20655 being exploited?
There is no known exploitation of CVE-2024-20655 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows Server 2008
Sources
Also known as GHSA-c2cf-p6qq-wxrr.