CVE-2001-0509 Denial of service in n/a
Remote attackers can cause denial of service in Microsoft Exchange, SQL Server, and Windows via malformed RPC inputs.
- 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-2001-0509?
CVE-2001-0509 is a medium-severity denial of service vulnerability in Microsoft Exchange Server, published on 29 Aug 2001. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Vulnerabilities in RPC servers in (1) Microsoft Exchange Server 2000 and earlier, (2) Microsoft SQL Server 2000 and earlier, (3) Windows NT 4.0, and (4) Windows 2000 allow remote attackers to cause a denial of service via malformed inputs.
Weakness: CWE-20
Which versions are affected by CVE-2001-0509?
It affects 4 products.
Products include Microsoft Exchange Server, Microsoft Sql Server, Microsoft Windows 2000, Microsoft Windows Nt.
How do I fix CVE-2001-0509?
No fix has been published for CVE-2001-0509 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2001-0509 being exploited?
There is no known exploitation of CVE-2001-0509 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-h45q-cxr9-cw4p.